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-rw-r--r--tools/lib/traceevent/Documentation/libtraceevent-plugins.txt25
-rw-r--r--tools/lib/traceevent/event-parse-local.h22
-rw-r--r--tools/lib/traceevent/event-parse.c1004
-rw-r--r--tools/lib/traceevent/event-parse.h34
-rw-r--r--tools/lib/traceevent/event-plugin.c285
-rw-r--r--tools/lib/traceevent/kbuffer.h17
-rw-r--r--tools/lib/traceevent/plugins/Build2
-rw-r--r--tools/lib/traceevent/plugins/Makefile2
-rw-r--r--tools/lib/traceevent/plugins/plugin_function.c123
-rw-r--r--tools/lib/traceevent/plugins/plugin_futex.c123
-rw-r--r--tools/lib/traceevent/plugins/plugin_hrtimer.c17
-rw-r--r--tools/lib/traceevent/plugins/plugin_jbd2.c17
-rw-r--r--tools/lib/traceevent/plugins/plugin_kmem.c17
-rw-r--r--tools/lib/traceevent/plugins/plugin_kvm.c42
-rw-r--r--tools/lib/traceevent/plugins/plugin_mac80211.c17
-rw-r--r--tools/lib/traceevent/plugins/plugin_sched_switch.c17
-rw-r--r--tools/lib/traceevent/plugins/plugin_tlb.c66
17 files changed, 1415 insertions, 415 deletions
diff --git a/tools/lib/traceevent/Documentation/libtraceevent-plugins.txt b/tools/lib/traceevent/Documentation/libtraceevent-plugins.txt
index 596032ade31f..4d6394397d92 100644
--- a/tools/lib/traceevent/Documentation/libtraceevent-plugins.txt
+++ b/tools/lib/traceevent/Documentation/libtraceevent-plugins.txt
@@ -3,7 +3,7 @@ libtraceevent(3)
NAME
----
-tep_load_plugins, tep_unload_plugins - Load / unload traceevent plugins.
+tep_load_plugins, tep_unload_plugins, tep_load_plugins_hook - Load / unload traceevent plugins.
SYNOPSIS
--------
@@ -13,6 +13,12 @@ SYNOPSIS
struct tep_plugin_list pass:[*]*tep_load_plugins*(struct tep_handle pass:[*]_tep_);
void *tep_unload_plugins*(struct tep_plugin_list pass:[*]_plugin_list_, struct tep_handle pass:[*]_tep_);
+void *tep_load_plugins_hook*(struct tep_handle pass:[*]_tep_, const char pass:[*]_suffix_,
+ void (pass:[*]_load_plugin_)(struct tep_handle pass:[*]tep,
+ const char pass:[*]path,
+ const char pass:[*]name,
+ void pass:[*]data),
+ void pass:[*]_data_);
--
DESCRIPTION
@@ -22,11 +28,13 @@ directories. The _tep_ argument is trace event parser context.
The plugin directories are :
[verse]
--
+ - Directories, specified in _tep_->plugins_dir with priority TEP_PLUGIN_FIRST
- System's plugin directory, defined at the library compile time. It
depends on the library installation prefix and usually is
_(install_preffix)/lib/traceevent/plugins_
- Directory, defined by the environment variable _TRACEEVENT_PLUGIN_DIR_
- User's plugin directory, located at _~/.local/lib/traceevent/plugins_
+ - Directories, specified in _tep_->plugins_dir with priority TEP_PLUGIN_LAST
--
Loading of plugins can be controlled by the _tep_flags_, using the
_tep_set_flag()_ API:
@@ -44,6 +52,12 @@ _tep_load_plugins()_. The _tep_ argument is trace event parser context. The
_plugin_list_ is the list of loaded plugins, returned by
the _tep_load_plugins()_ function.
+The _tep_load_plugins_hook_ function walks through all directories with plugins
+and calls user specified _load_plugin()_ hook for each plugin file. Only files
+with given _suffix_ are considered to be plugins. The _data_ is a user specified
+context, passed to _load_plugin()_. Directories and the walk order are the same
+as in _tep_load_plugins()_ API.
+
RETURN VALUE
------------
The _tep_load_plugins()_ function returns a list of successfully loaded plugins,
@@ -63,6 +77,15 @@ if (plugins == NULL) {
}
...
tep_unload_plugins(plugins, tep);
+...
+void print_plugin(struct tep_handle *tep, const char *path,
+ const char *name, void *data)
+{
+ pritnf("Found libtraceevent plugin %s/%s\n", path, name);
+}
+...
+tep_load_plugins_hook(tep, ".so", print_plugin, NULL);
+...
--
FILES
diff --git a/tools/lib/traceevent/event-parse-local.h b/tools/lib/traceevent/event-parse-local.h
index cee469803a34..d805a920af6f 100644
--- a/tools/lib/traceevent/event-parse-local.h
+++ b/tools/lib/traceevent/event-parse-local.h
@@ -13,6 +13,7 @@ struct func_map;
struct func_list;
struct event_handler;
struct func_resolver;
+struct tep_plugins_dir;
struct tep_handle {
int ref_count;
@@ -47,7 +48,6 @@ struct tep_handle {
struct printk_list *printklist;
unsigned int printk_count;
-
struct tep_event **events;
int nr_events;
struct tep_event **sort_events;
@@ -81,10 +81,30 @@ struct tep_handle {
/* cache */
struct tep_event *last_event;
+
+ struct tep_plugins_dir *plugins_dir;
+};
+
+enum tep_print_parse_type {
+ PRINT_FMT_STRING,
+ PRINT_FMT_ARG_DIGIT,
+ PRINT_FMT_ARG_POINTER,
+ PRINT_FMT_ARG_STRING,
+};
+
+struct tep_print_parse {
+ struct tep_print_parse *next;
+
+ char *format;
+ int ls;
+ enum tep_print_parse_type type;
+ struct tep_print_arg *arg;
+ struct tep_print_arg *len_as_arg;
};
void tep_free_event(struct tep_event *event);
void tep_free_format_field(struct tep_format_field *field);
+void tep_free_plugin_paths(struct tep_handle *tep);
unsigned short tep_data2host2(struct tep_handle *tep, unsigned short data);
unsigned int tep_data2host4(struct tep_handle *tep, unsigned int data);
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index ba4f33804af1..3ba566de821c 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -4565,43 +4565,93 @@ get_bprint_format(void *data, int size __maybe_unused,
return format;
}
-static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size,
- struct tep_event *event, struct tep_print_arg *arg)
+static int print_mac_arg(struct trace_seq *s, const char *format,
+ void *data, int size, struct tep_event *event,
+ struct tep_print_arg *arg)
{
- unsigned char *buf;
const char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x";
+ bool reverse = false;
+ unsigned char *buf;
+ int ret = 0;
if (arg->type == TEP_PRINT_FUNC) {
process_defined_func(s, data, size, event, arg);
- return;
+ return 0;
}
if (arg->type != TEP_PRINT_FIELD) {
trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d",
arg->type);
- return;
+ return 0;
}
- if (mac == 'm')
+ if (format[0] == 'm') {
fmt = "%.2x%.2x%.2x%.2x%.2x%.2x";
+ } else if (format[0] == 'M' && format[1] == 'F') {
+ fmt = "%.2x-%.2x-%.2x-%.2x-%.2x-%.2x";
+ ret++;
+ }
+ if (format[1] == 'R') {
+ reverse = true;
+ ret++;
+ }
+
if (!arg->field.field) {
arg->field.field =
tep_find_any_field(event, arg->field.name);
if (!arg->field.field) {
do_warning_event(event, "%s: field %s not found",
__func__, arg->field.name);
- return;
+ return ret;
}
}
if (arg->field.field->size != 6) {
trace_seq_printf(s, "INVALIDMAC");
- return;
+ return ret;
}
+
buf = data + arg->field.field->offset;
- trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+ if (reverse)
+ trace_seq_printf(s, fmt, buf[5], buf[4], buf[3], buf[2], buf[1], buf[0]);
+ else
+ trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+
+ return ret;
}
-static void print_ip4_addr(struct trace_seq *s, char i, unsigned char *buf)
+static int parse_ip4_print_args(struct tep_handle *tep,
+ const char *ptr, bool *reverse)
+{
+ int ret = 0;
+
+ *reverse = false;
+
+ /* hnbl */
+ switch (*ptr) {
+ case 'h':
+ if (tep->file_bigendian)
+ *reverse = false;
+ else
+ *reverse = true;
+ ret++;
+ break;
+ case 'l':
+ *reverse = true;
+ ret++;
+ break;
+ case 'n':
+ case 'b':
+ ret++;
+ /* fall through */
+ default:
+ *reverse = false;
+ break;
+ }
+
+ return ret;
+}
+
+static void print_ip4_addr(struct trace_seq *s, char i, bool reverse, unsigned char *buf)
{
const char *fmt;
@@ -4610,7 +4660,11 @@ static void print_ip4_addr(struct trace_seq *s, char i, unsigned char *buf)
else
fmt = "%d.%d.%d.%d";
- trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3]);
+ if (reverse)
+ trace_seq_printf(s, fmt, buf[3], buf[2], buf[1], buf[0]);
+ else
+ trace_seq_printf(s, fmt, buf[0], buf[1], buf[2], buf[3]);
+
}
static inline bool ipv6_addr_v4mapped(const struct in6_addr *a)
@@ -4693,7 +4747,7 @@ static void print_ip6c_addr(struct trace_seq *s, unsigned char *addr)
if (useIPv4) {
if (needcolon)
trace_seq_printf(s, ":");
- print_ip4_addr(s, 'I', &in6.s6_addr[12]);
+ print_ip4_addr(s, 'I', false, &in6.s6_addr[12]);
}
return;
@@ -4722,16 +4776,20 @@ static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i,
void *data, int size, struct tep_event *event,
struct tep_print_arg *arg)
{
+ bool reverse = false;
unsigned char *buf;
+ int ret;
+
+ ret = parse_ip4_print_args(event->tep, ptr, &reverse);
if (arg->type == TEP_PRINT_FUNC) {
process_defined_func(s, data, size, event, arg);
- return 0;
+ return ret;
}
if (arg->type != TEP_PRINT_FIELD) {
trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type);
- return 0;
+ return ret;
}
if (!arg->field.field) {
@@ -4740,7 +4798,7 @@ static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i,
if (!arg->field.field) {
do_warning("%s: field %s not found",
__func__, arg->field.name);
- return 0;
+ return ret;
}
}
@@ -4748,11 +4806,12 @@ static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i,
if (arg->field.field->size != 4) {
trace_seq_printf(s, "INVALIDIPv4");
- return 0;
+ return ret;
}
- print_ip4_addr(s, i, buf);
- return 0;
+ print_ip4_addr(s, i, reverse, buf);
+ return ret;
+
}
static int print_ipv6_arg(struct trace_seq *s, const char *ptr, char i,
@@ -4812,7 +4871,9 @@ static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i,
char have_c = 0, have_p = 0;
unsigned char *buf;
struct sockaddr_storage *sa;
+ bool reverse = false;
int rc = 0;
+ int ret;
/* pISpc */
if (i == 'I') {
@@ -4827,6 +4888,9 @@ static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i,
rc++;
}
}
+ ret = parse_ip4_print_args(event->tep, ptr, &reverse);
+ ptr += ret;
+ rc += ret;
if (arg->type == TEP_PRINT_FUNC) {
process_defined_func(s, data, size, event, arg);
@@ -4858,7 +4922,7 @@ static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i,
return rc;
}
- print_ip4_addr(s, i, (unsigned char *) &sa4->sin_addr);
+ print_ip4_addr(s, i, reverse, (unsigned char *) &sa4->sin_addr);
if (have_p)
trace_seq_printf(s, ":%d", ntohs(sa4->sin_port));
@@ -4892,25 +4956,20 @@ static int print_ip_arg(struct trace_seq *s, const char *ptr,
struct tep_print_arg *arg)
{
char i = *ptr; /* 'i' or 'I' */
- char ver;
- int rc = 0;
+ int rc = 1;
+ /* IP version */
ptr++;
- rc++;
- ver = *ptr;
- ptr++;
- rc++;
-
- switch (ver) {
+ switch (*ptr) {
case '4':
- rc += print_ipv4_arg(s, ptr, i, data, size, event, arg);
+ rc += print_ipv4_arg(s, ptr + 1, i, data, size, event, arg);
break;
case '6':
- rc += print_ipv6_arg(s, ptr, i, data, size, event, arg);
+ rc += print_ipv6_arg(s, ptr + 1, i, data, size, event, arg);
break;
case 'S':
- rc += print_ipsa_arg(s, ptr, i, data, size, event, arg);
+ rc += print_ipsa_arg(s, ptr + 1, i, data, size, event, arg);
break;
default:
return 0;
@@ -4919,6 +4978,133 @@ static int print_ip_arg(struct trace_seq *s, const char *ptr,
return rc;
}
+static const int guid_index[16] = {3, 2, 1, 0, 5, 4, 7, 6, 8, 9, 10, 11, 12, 13, 14, 15};
+static const int uuid_index[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
+
+static int print_uuid_arg(struct trace_seq *s, const char *ptr,
+ void *data, int size, struct tep_event *event,
+ struct tep_print_arg *arg)
+{
+ const int *index = uuid_index;
+ char *format = "%02x";
+ int ret = 0;
+ char *buf;
+ int i;
+
+ switch (*(ptr + 1)) {
+ case 'L':
+ format = "%02X";
+ /* fall through */
+ case 'l':
+ index = guid_index;
+ ret++;
+ break;
+ case 'B':
+ format = "%02X";
+ /* fall through */
+ case 'b':
+ ret++;
+ break;
+ }
+
+ if (arg->type == TEP_PRINT_FUNC) {
+ process_defined_func(s, data, size, event, arg);
+ return ret;
+ }
+
+ if (arg->type != TEP_PRINT_FIELD) {
+ trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type);
+ return ret;
+ }
+
+ if (!arg->field.field) {
+ arg->field.field =
+ tep_find_any_field(event, arg->field.name);
+ if (!arg->field.field) {
+ do_warning("%s: field %s not found",
+ __func__, arg->field.name);
+ return ret;
+ }
+ }
+
+ if (arg->field.field->size != 16) {
+ trace_seq_printf(s, "INVALIDUUID");
+ return ret;
+ }
+
+ buf = data + arg->field.field->offset;
+
+ for (i = 0; i < 16; i++) {
+ trace_seq_printf(s, format, buf[index[i]] & 0xff);
+ switch (i) {
+ case 3:
+ case 5:
+ case 7:
+ case 9:
+ trace_seq_printf(s, "-");
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static int print_raw_buff_arg(struct trace_seq *s, const char *ptr,
+ void *data, int size, struct tep_event *event,
+ struct tep_print_arg *arg, int print_len)
+{
+ int plen = print_len;
+ char *delim = " ";
+ int ret = 0;
+ char *buf;
+ int i;
+ unsigned long offset;
+ int arr_len;
+
+ switch (*(ptr + 1)) {
+ case 'C':
+ delim = ":";
+ ret++;
+ break;
+ case 'D':
+ delim = "-";
+ ret++;
+ break;
+ case 'N':
+ delim = "";
+ ret++;
+ break;
+ }
+
+ if (arg->type == TEP_PRINT_FUNC) {
+ process_defined_func(s, data, size, event, arg);
+ return ret;
+ }
+
+ if (arg->type != TEP_PRINT_DYNAMIC_ARRAY) {
+ trace_seq_printf(s, "ARG TYPE NOT FIELD BUT %d", arg->type);
+ return ret;
+ }
+
+ offset = tep_read_number(event->tep,
+ data + arg->dynarray.field->offset,
+ arg->dynarray.field->size);
+ arr_len = (unsigned long long)(offset >> 16);
+ buf = data + (offset & 0xffff);
+
+ if (arr_len < plen)
+ plen = arr_len;
+
+ if (plen < 1)
+ return ret;
+
+ trace_seq_printf(s, "%02x", buf[0] & 0xff);
+ for (i = 1; i < plen; i++)
+ trace_seq_printf(s, "%s%02x", delim, buf[i] & 0xff);
+
+ return ret;
+}
+
static int is_printable_array(char *p, unsigned int len)
{
unsigned int i;
@@ -5007,264 +5193,567 @@ void tep_print_fields(struct trace_seq *s, void *data,
}
}
-static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_event *event)
+static int print_function(struct trace_seq *s, const char *format,
+ void *data, int size, struct tep_event *event,
+ struct tep_print_arg *arg)
{
- struct tep_handle *tep = event->tep;
- struct tep_print_fmt *print_fmt = &event->print_fmt;
- struct tep_print_arg *arg = print_fmt->args;
- struct tep_print_arg *args = NULL;
- const char *ptr = print_fmt->format;
- unsigned long long val;
struct func_map *func;
- const char *saveptr;
- struct trace_seq p;
- char *bprint_fmt = NULL;
- char format[32];
- int show_func;
- int len_as_arg;
- int len_arg = 0;
- int len;
- int ls;
+ unsigned long long val;
- if (event->flags & TEP_EVENT_FL_FAILED) {
- trace_seq_printf(s, "[FAILED TO PARSE]");
- tep_print_fields(s, data, size, event);
- return;
+ val = eval_num_arg(data, size, event, arg);
+ func = find_func(event->tep, val);
+ if (func) {
+ trace_seq_puts(s, func->func);
+ if (*format == 'F' || *format == 'S')
+ trace_seq_printf(s, "+0x%llx", val - func->addr);
+ } else {
+ if (event->tep->long_size == 4)
+ trace_seq_printf(s, "0x%lx", (long)val);
+ else
+ trace_seq_printf(s, "0x%llx", (long long)val);
}
- if (event->flags & TEP_EVENT_FL_ISBPRINT) {
- bprint_fmt = get_bprint_format(data, size, event);
- args = make_bprint_args(bprint_fmt, data, size, event);
- arg = args;
- ptr = bprint_fmt;
+ return 0;
+}
+
+static int print_arg_pointer(struct trace_seq *s, const char *format, int plen,
+ void *data, int size,
+ struct tep_event *event, struct tep_print_arg *arg)
+{
+ unsigned long long val;
+ int ret = 1;
+
+ if (arg->type == TEP_PRINT_BSTRING) {
+ trace_seq_puts(s, arg->string.string);
+ return 0;
+ }
+ while (*format) {
+ if (*format == 'p') {
+ format++;
+ break;
+ }
+ format++;
}
- for (; *ptr; ptr++) {
- ls = 0;
- if (*ptr == '\\') {
- ptr++;
- switch (*ptr) {
+ switch (*format) {
+ case 'F':
+ case 'f':
+ case 'S':
+ case 's':
+ ret += print_function(s, format, data, size, event, arg);
+ break;
+ case 'M':
+ case 'm':
+ ret += print_mac_arg(s, format, data, size, event, arg);
+ break;
+ case 'I':
+ case 'i':
+ ret += print_ip_arg(s, format, data, size, event, arg);
+ break;
+ case 'U':
+ ret += print_uuid_arg(s, format, data, size, event, arg);
+ break;
+ case 'h':
+ ret += print_raw_buff_arg(s, format, data, size, event, arg, plen);
+ break;
+ default:
+ ret = 0;
+ val = eval_num_arg(data, size, event, arg);
+ trace_seq_printf(s, "%p", (void *)val);
+ break;
+ }
+
+ return ret;
+
+}
+
+static int print_arg_number(struct trace_seq *s, const char *format, int plen,
+ void *data, int size, int ls,
+ struct tep_event *event, struct tep_print_arg *arg)
+{
+ unsigned long long val;
+
+ val = eval_num_arg(data, size, event, arg);
+
+ switch (ls) {
+ case -2:
+ if (plen >= 0)
+ trace_seq_printf(s, format, plen, (char)val);
+ else
+ trace_seq_printf(s, format, (char)val);
+ break;
+ case -1:
+ if (plen >= 0)
+ trace_seq_printf(s, format, plen, (short)val);
+ else
+ trace_seq_printf(s, format, (short)val);
+ break;
+ case 0:
+ if (plen >= 0)
+ trace_seq_printf(s, format, plen, (int)val);
+ else
+ trace_seq_printf(s, format, (int)val);
+ break;
+ case 1:
+ if (plen >= 0)
+ trace_seq_printf(s, format, plen, (long)val);
+ else
+ trace_seq_printf(s, format, (long)val);
+ break;
+ case 2:
+ if (plen >= 0)
+ trace_seq_printf(s, format, plen, (long long)val);
+ else
+ trace_seq_printf(s, format, (long long)val);
+ break;
+ default:
+ do_warning_event(event, "bad count (%d)", ls);
+ event->flags |= TEP_EVENT_FL_FAILED;
+ }
+ return 0;
+}
+
+
+static void print_arg_string(struct trace_seq *s, const char *format, int plen,
+ void *data, int size,
+ struct tep_event *event, struct tep_print_arg *arg)
+{
+ struct trace_seq p;
+
+ /* Use helper trace_seq */
+ trace_seq_init(&p);
+ print_str_arg(&p, data, size, event,
+ format, plen, arg);
+ trace_seq_terminate(&p);
+ trace_seq_puts(s, p.buffer);
+ trace_seq_destroy(&p);
+}
+
+static int parse_arg_format_pointer(const char *format)
+{
+ int ret = 0;
+ int index;
+ int loop;
+
+ switch (*format) {
+ case 'F':
+ case 'S':
+ case 'f':
+ case 's':
+ ret++;
+ break;
+ case 'M':
+ case 'm':
+ /* [mM]R , [mM]F */
+ switch (format[1]) {
+ case 'R':
+ case 'F':
+ ret++;
+ break;
+ }
+ ret++;
+ break;
+ case 'I':
+ case 'i':
+ index = 2;
+ loop = 1;
+ switch (format[1]) {
+ case 'S':
+ /*[S][pfs]*/
+ while (loop) {
+ switch (format[index]) {
+ case 'p':
+ case 'f':
+ case 's':
+ ret++;
+ index++;
+ break;
+ default:
+ loop = 0;
+ break;
+ }
+ }
+ /* fall through */
+ case '4':
+ /* [4S][hnbl] */
+ switch (format[index]) {
+ case 'h':
case 'n':
- trace_seq_putc(s, '\n');
- break;
- case 't':
- trace_seq_putc(s, '\t');
- break;
- case 'r':
- trace_seq_putc(s, '\r');
- break;
- case '\\':
- trace_seq_putc(s, '\\');
+ case 'l':
+ case 'b':
+ ret++;
+ index++;
break;
- default:
- trace_seq_putc(s, *ptr);
+ }
+ if (format[1] == '4') {
+ ret++;
break;
}
+ /* fall through */
+ case '6':
+ /* [6S]c */
+ if (format[index] == 'c')
+ ret++;
+ ret++;
+ break;
+ }
+ ret++;
+ break;
+ case 'U':
+ switch (format[1]) {
+ case 'L':
+ case 'l':
+ case 'B':
+ case 'b':
+ ret++;
+ break;
+ }
+ ret++;
+ break;
+ case 'h':
+ switch (format[1]) {
+ case 'C':
+ case 'D':
+ case 'N':
+ ret++;
+ break;
+ }
+ ret++;
+ break;
+ default:
+ break;
+ }
- } else if (*ptr == '%') {
- saveptr = ptr;
- show_func = 0;
- len_as_arg = 0;
- cont_process:
- ptr++;
- switch (*ptr) {
- case '%':
- trace_seq_putc(s, '%');
- break;
- case '#':
- /* FIXME: need to handle properly */
- goto cont_process;
- case 'h':
- ls--;
- goto cont_process;
- case 'l':
- ls++;
- goto cont_process;
- case 'L':
- ls = 2;
- goto cont_process;
- case '*':
- /* The argument is the length. */
- if (!arg) {
- do_warning_event(event, "no argument match");
- event->flags |= TEP_EVENT_FL_FAILED;
- goto out_failed;
- }
- len_arg = eval_num_arg(data, size, event, arg);
- len_as_arg = 1;
- arg = arg->next;
- goto cont_process;
- case '.':
- case 'z':
- case 'Z':
- case '0' ... '9':
- case '-':
- goto cont_process;
- case 'p':
- if (tep->long_size == 4)
- ls = 1;
- else
- ls = 2;
+ return ret;
+}
- if (isalnum(ptr[1]))
- ptr++;
+static void free_parse_args(struct tep_print_parse *arg)
+{
+ struct tep_print_parse *del;
- if (arg->type == TEP_PRINT_BSTRING) {
- trace_seq_puts(s, arg->string.string);
- arg = arg->next;
- break;
- }
+ while (arg) {
+ del = arg;
+ arg = del->next;
+ free(del->format);
+ free(del);
+ }
+}
- if (*ptr == 'F' || *ptr == 'f' ||
- *ptr == 'S' || *ptr == 's') {
- show_func = *ptr;
- } else if (*ptr == 'M' || *ptr == 'm') {
- print_mac_arg(s, *ptr, data, size, event, arg);
- arg = arg->next;
- break;
- } else if (*ptr == 'I' || *ptr == 'i') {
- int n;
+static int parse_arg_add(struct tep_print_parse **parse, char *format,
+ enum tep_print_parse_type type,
+ struct tep_print_arg *arg,
+ struct tep_print_arg *len_as_arg,
+ int ls)
+{
+ struct tep_print_parse *parg = NULL;
- n = print_ip_arg(s, ptr, data, size, event, arg);
- if (n > 0) {
- ptr += n - 1;
- arg = arg->next;
- break;
- }
- }
+ parg = calloc(1, sizeof(*parg));
+ if (!parg)
+ goto error;
+ parg->format = strdup(format);
+ if (!parg->format)
+ goto error;
+ parg->type = type;
+ parg->arg = arg;
+ parg->len_as_arg = len_as_arg;
+ parg->ls = ls;
+ *parse = parg;
+ return 0;
+error:
+ if (parg) {
+ free(parg->format);
+ free(parg);
+ }
+ return -1;
+}
- /* fall through */
- case 'd':
- case 'u':
- case 'i':
- case 'x':
- case 'X':
- case 'o':
- if (!arg) {
- do_warning_event(event, "no argument match");
- event->flags |= TEP_EVENT_FL_FAILED;
- goto out_failed;
- }
+static int parse_arg_format(struct tep_print_parse **parse,
+ struct tep_event *event,
+ const char *format, struct tep_print_arg **arg)
+{
+ struct tep_print_arg *len_arg = NULL;
+ char print_format[32];
+ const char *start = format;
+ int ret = 0;
+ int ls = 0;
+ int res;
+ int len;
- len = ((unsigned long)ptr + 1) -
- (unsigned long)saveptr;
+ format++;
+ ret++;
+ for (; *format; format++) {
+ switch (*format) {
+ case '#':
+ /* FIXME: need to handle properly */
+ break;
+ case 'h':
+ ls--;
+ break;
+ case 'l':
+ ls++;
+ break;
+ case 'L':
+ ls = 2;
+ break;
+ case '.':
+ case 'z':
+ case 'Z':
+ case '0' ... '9':
+ case '-':
+ break;
+ case '*':
+ /* The argument is the length. */
+ if (!*arg) {
+ do_warning_event(event, "no argument match");
+ event->flags |= TEP_EVENT_FL_FAILED;
+ goto out_failed;
+ }
+ if (len_arg) {
+ do_warning_event(event, "argument already matched");
+ event->flags |= TEP_EVENT_FL_FAILED;
+ goto out_failed;
+ }
+ len_arg = *arg;
+ *arg = (*arg)->next;
+ break;
+ case 'p':
+ if (!*arg) {
+ do_warning_event(event, "no argument match");
+ event->flags |= TEP_EVENT_FL_FAILED;
+ goto out_failed;
+ }
+ res = parse_arg_format_pointer(format + 1);
+ if (res > 0) {
+ format += res;
+ ret += res;
+ }
+ len = ((unsigned long)format + 1) -
+ (unsigned long)start;
+ /* should never happen */
+ if (len > 31) {
+ do_warning_event(event, "bad format!");
+ event->flags |= TEP_EVENT_FL_FAILED;
+ len = 31;
+ }
+ memcpy(print_format, start, len);
+ print_format[len] = 0;
- /* should never happen */
- if (len > 31) {
- do_warning_event(event, "bad format!");
- event->flags |= TEP_EVENT_FL_FAILED;
- len = 31;
- }
+ parse_arg_add(parse, print_format,
+ PRINT_FMT_ARG_POINTER, *arg, len_arg, ls);
+ *arg = (*arg)->next;
+ ret++;
+ return ret;
+ case 'd':
+ case 'u':
+ case 'i':
+ case 'x':
+ case 'X':
+ case 'o':
+ if (!*arg) {
+ do_warning_event(event, "no argument match");
+ event->flags |= TEP_EVENT_FL_FAILED;
+ goto out_failed;
+ }
- memcpy(format, saveptr, len);
- format[len] = 0;
+ len = ((unsigned long)format + 1) -
+ (unsigned long)start;
- val = eval_num_arg(data, size, event, arg);
- arg = arg->next;
+ /* should never happen */
+ if (len > 30) {
+ do_warning_event(event, "bad format!");
+ event->flags |= TEP_EVENT_FL_FAILED;
+ len = 31;
+ }
+ memcpy(print_format, start, len);
+ print_format[len] = 0;
- if (show_func) {
- func = find_func(tep, val);
- if (func) {
- trace_seq_puts(s, func->func);
- if (show_func == 'F')
- trace_seq_printf(s,
- "+0x%llx",
- val - func->addr);
- break;
- }
- }
- if (tep->long_size == 8 && ls == 1 &&
- sizeof(long) != 8) {
- char *p;
-
- /* make %l into %ll */
- if (ls == 1 && (p = strchr(format, 'l')))
- memmove(p+1, p, strlen(p)+1);
- else if (strcmp(format, "%p") == 0)
- strcpy(format, "0x%llx");
- ls = 2;
- }
- switch (ls) {
- case -2:
- if (len_as_arg)
- trace_seq_printf(s, format, len_arg, (char)val);
- else
- trace_seq_printf(s, format, (char)val);
- break;
- case -1:
- if (len_as_arg)
- trace_seq_printf(s, format, len_arg, (short)val);
- else
- trace_seq_printf(s, format, (short)val);
- break;
- case 0:
- if (len_as_arg)
- trace_seq_printf(s, format, len_arg, (int)val);
- else
- trace_seq_printf(s, format, (int)val);
- break;
- case 1:
- if (len_as_arg)
- trace_seq_printf(s, format, len_arg, (long)val);
- else
- trace_seq_printf(s, format, (long)val);
- break;
- case 2:
- if (len_as_arg)
- trace_seq_printf(s, format, len_arg,
- (long long)val);
- else
- trace_seq_printf(s, format, (long long)val);
- break;
- default:
- do_warning_event(event, "bad count (%d)", ls);
- event->flags |= TEP_EVENT_FL_FAILED;
- }
- break;
- case 's':
- if (!arg) {
- do_warning_event(event, "no matching argument");
- event->flags |= TEP_EVENT_FL_FAILED;
- goto out_failed;
- }
+ if (event->tep->long_size == 8 && ls == 1 &&
+ sizeof(long) != 8) {
+ char *p;
+
+ /* make %l into %ll */
+ if (ls == 1 && (p = strchr(print_format, 'l')))
+ memmove(p+1, p, strlen(p)+1);
+ ls = 2;
+ }
+ if (ls < -2 || ls > 2) {
+ do_warning_event(event, "bad count (%d)", ls);
+ event->flags |= TEP_EVENT_FL_FAILED;
+ }
+ parse_arg_add(parse, print_format,
+ PRINT_FMT_ARG_DIGIT, *arg, len_arg, ls);
+ *arg = (*arg)->next;
+ ret++;
+ return ret;
+ case 's':
+ if (!*arg) {
+ do_warning_event(event, "no matching argument");
+ event->flags |= TEP_EVENT_FL_FAILED;
+ goto out_failed;
+ }
- len = ((unsigned long)ptr + 1) -
- (unsigned long)saveptr;
+ len = ((unsigned long)format + 1) -
+ (unsigned long)start;
- /* should never happen */
- if (len > 31) {
- do_warning_event(event, "bad format!");
- event->flags |= TEP_EVENT_FL_FAILED;
- len = 31;
- }
+ /* should never happen */
+ if (len > 31) {
+ do_warning_event(event, "bad format!");
+ event->flags |= TEP_EVENT_FL_FAILED;
+ len = 31;
+ }
+
+ memcpy(print_format, start, len);
+ print_format[len] = 0;
+
+ parse_arg_add(parse, print_format,
+ PRINT_FMT_ARG_STRING, *arg, len_arg, 0);
+ *arg = (*arg)->next;
+ ret++;
+ return ret;
+ default:
+ snprintf(print_format, 32, ">%c<", *format);
+ parse_arg_add(parse, print_format,
+ PRINT_FMT_STRING, NULL, NULL, 0);
+ ret++;
+ return ret;
+ }
+ ret++;
+ }
+
+out_failed:
+ return ret;
- memcpy(format, saveptr, len);
- format[len] = 0;
- if (!len_as_arg)
- len_arg = -1;
- /* Use helper trace_seq */
- trace_seq_init(&p);
- print_str_arg(&p, data, size, event,
- format, len_arg, arg);
- trace_seq_terminate(&p);
- trace_seq_puts(s, p.buffer);
- trace_seq_destroy(&p);
- arg = arg->next;
+}
+
+static int parse_arg_string(struct tep_print_parse **parse, const char *format)
+{
+ struct trace_seq s;
+ int ret = 0;
+
+ trace_seq_init(&s);
+ for (; *format; format++) {
+ if (*format == '\\') {
+ format++;
+ ret++;
+ switch (*format) {
+ case 'n':
+ trace_seq_putc(&s, '\n');
+ break;
+ case 't':
+ trace_seq_putc(&s, '\t');
+ break;
+ case 'r':
+ trace_seq_putc(&s, '\r');
+ break;
+ case '\\':
+ trace_seq_putc(&s, '\\');
break;
default:
- trace_seq_printf(s, ">%c<", *ptr);
-
+ trace_seq_putc(&s, *format);
+ break;
}
+ } else if (*format == '%') {
+ if (*(format + 1) == '%') {
+ trace_seq_putc(&s, '%');
+ format++;
+ ret++;
+ } else
+ break;
} else
- trace_seq_putc(s, *ptr);
+ trace_seq_putc(&s, *format);
+
+ ret++;
+ }
+ trace_seq_terminate(&s);
+ parse_arg_add(parse, s.buffer, PRINT_FMT_STRING, NULL, NULL, 0);
+ trace_seq_destroy(&s);
+
+ return ret;
+}
+
+static struct tep_print_parse *
+parse_args(struct tep_event *event, const char *format, struct tep_print_arg *arg)
+{
+ struct tep_print_parse *parse_ret = NULL;
+ struct tep_print_parse **parse = NULL;
+ int ret;
+ int len;
+
+ len = strlen(format);
+ while (*format) {
+ if (!parse_ret)
+ parse = &parse_ret;
+ if (*format == '%' && *(format + 1) != '%')
+ ret = parse_arg_format(parse, event, format, &arg);
+ else
+ ret = parse_arg_string(parse, format);
+ if (*parse)
+ parse = &((*parse)->next);
+
+ len -= ret;
+ if (len > 0)
+ format += ret;
+ else
+ break;
+ }
+ return parse_ret;
+}
+
+static void print_event_cache(struct tep_print_parse *parse, struct trace_seq *s,
+ void *data, int size, struct tep_event *event)
+{
+ int len_arg;
+
+ while (parse) {
+ if (parse->len_as_arg)
+ len_arg = eval_num_arg(data, size, event, parse->len_as_arg);
+ switch (parse->type) {
+ case PRINT_FMT_ARG_DIGIT:
+ print_arg_number(s, parse->format,
+ parse->len_as_arg ? len_arg : -1, data,
+ size, parse->ls, event, parse->arg);
+ break;
+ case PRINT_FMT_ARG_POINTER:
+ print_arg_pointer(s, parse->format,
+ parse->len_as_arg ? len_arg : 1,
+ data, size, event, parse->arg);
+ break;
+ case PRINT_FMT_ARG_STRING:
+ print_arg_string(s, parse->format,
+ parse->len_as_arg ? len_arg : -1,
+ data, size, event, parse->arg);
+ break;
+ case PRINT_FMT_STRING:
+ default:
+ trace_seq_printf(s, "%s", parse->format);
+ break;
+ }
+ parse = parse->next;
}
+}
+
+static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_event *event)
+{
+ struct tep_print_parse *parse = event->print_fmt.print_cache;
+ struct tep_print_arg *args = NULL;
+ char *bprint_fmt = NULL;
if (event->flags & TEP_EVENT_FL_FAILED) {
-out_failed:
trace_seq_printf(s, "[FAILED TO PARSE]");
+ tep_print_fields(s, data, size, event);
+ return;
}
- if (args) {
+ if (event->flags & TEP_EVENT_FL_ISBPRINT) {
+ bprint_fmt = get_bprint_format(data, size, event);
+ args = make_bprint_args(bprint_fmt, data, size, event);
+ parse = parse_args(event, bprint_fmt, args);
+ }
+
+ print_event_cache(parse, s, data, size, event);
+
+ if (event->flags & TEP_EVENT_FL_ISBPRINT) {
+ free_parse_args(parse);
free_args(args);
free(bprint_fmt);
}
@@ -6363,9 +6852,13 @@ enum tep_errno __tep_parse_format(struct tep_event **eventp,
*list = arg;
list = &arg->next;
}
- return 0;
}
+ if (!(event->flags & TEP_EVENT_FL_ISBPRINT))
+ event->print_fmt.print_cache = parse_args(event,
+ event->print_fmt.format,
+ event->print_fmt.args);
+
return 0;
event_parse_failed:
@@ -7032,7 +7525,7 @@ void tep_free_event(struct tep_event *event)
free(event->print_fmt.format);
free_args(event->print_fmt.args);
-
+ free_parse_args(event->print_fmt.print_cache);
free(event);
}
@@ -7120,6 +7613,7 @@ void tep_free(struct tep_handle *tep)
free(tep->events);
free(tep->sort_events);
free(tep->func_resolver);
+ tep_free_plugin_paths(tep);
free(tep);
}
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index ad7799c85429..c29b693e31ee 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -1,21 +1,7 @@
+/* SPDX-License-Identifier: LGPL-2.1 */
/*
* Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
*
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License (not later!)
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef _PARSE_EVENTS_H
#define _PARSE_EVENTS_H
@@ -272,9 +258,12 @@ struct tep_print_arg {
};
};
+struct tep_print_parse;
+
struct tep_print_fmt {
char *format;
struct tep_print_arg *args;
+ struct tep_print_parse *print_cache;
};
struct tep_event {
@@ -393,14 +382,29 @@ struct tep_plugin_list;
#define INVALID_PLUGIN_LIST_OPTION ((char **)((unsigned long)-1))
+enum tep_plugin_load_priority {
+ TEP_PLUGIN_FIRST,
+ TEP_PLUGIN_LAST,
+};
+
+int tep_add_plugin_path(struct tep_handle *tep, char *path,
+ enum tep_plugin_load_priority prio);
struct tep_plugin_list *tep_load_plugins(struct tep_handle *tep);
void tep_unload_plugins(struct tep_plugin_list *plugin_list,
struct tep_handle *tep);
+void tep_load_plugins_hook(struct tep_handle *tep, const char *suffix,
+ void (*load_plugin)(struct tep_handle *tep,
+ const char *path,
+ const char *name,
+ void *data),
+ void *data);
char **tep_plugin_list_options(void);
void tep_plugin_free_options_list(char **list);
int tep_plugin_add_options(const char *name,
struct tep_plugin_option *options);
+int tep_plugin_add_option(const char *name, const char *val);
void tep_plugin_remove_options(struct tep_plugin_option *options);
+void tep_plugin_print_options(struct trace_seq *s);
void tep_print_plugins(struct trace_seq *s,
const char *prefix, const char *suffix,
const struct tep_plugin_list *list);
diff --git a/tools/lib/traceevent/event-plugin.c b/tools/lib/traceevent/event-plugin.c
index e1f7ddd5a6cf..e7c2acb8680f 100644
--- a/tools/lib/traceevent/event-plugin.c
+++ b/tools/lib/traceevent/event-plugin.c
@@ -13,6 +13,7 @@
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
+#include <errno.h>
#include "event-parse.h"
#include "event-parse-local.h"
#include "event-utils.h"
@@ -38,6 +39,12 @@ struct tep_plugin_list {
void *handle;
};
+struct tep_plugins_dir {
+ struct tep_plugins_dir *next;
+ char *path;
+ enum tep_plugin_load_priority prio;
+};
+
static void lower_case(char *str)
{
if (!str)
@@ -247,6 +254,170 @@ void tep_plugin_remove_options(struct tep_plugin_option *options)
}
}
+static int parse_option_name(char **option, char **plugin)
+{
+ char *p;
+
+ *plugin = NULL;
+
+ if ((p = strstr(*option, ":"))) {
+ *plugin = *option;
+ *p = '\0';
+ *option = strdup(p + 1);
+ if (!*option)
+ return -1;
+ }
+ return 0;
+}
+
+static struct tep_plugin_option *
+find_registered_option(const char *plugin, const char *option)
+{
+ struct registered_plugin_options *reg;
+ struct tep_plugin_option *op;
+ const char *op_plugin;
+
+ for (reg = registered_options; reg; reg = reg->next) {
+ for (op = reg->options; op->name; op++) {
+ if (op->plugin_alias)
+ op_plugin = op->plugin_alias;
+ else
+ op_plugin = op->file;
+
+ if (plugin && strcmp(plugin, op_plugin) != 0)
+ continue;
+ if (strcmp(option, op->name) != 0)
+ continue;
+
+ return op;
+ }
+ }
+
+ return NULL;
+}
+
+static int process_option(const char *plugin, const char *option, const char *val)
+{
+ struct tep_plugin_option *op;
+
+ op = find_registered_option(plugin, option);
+ if (!op)
+ return 0;
+
+ return update_option_value(op, val);
+}
+
+/**
+ * tep_plugin_add_option - add an option/val pair to set plugin options
+ * @name: The name of the option (format: <plugin>:<option> or just <option>)
+ * @val: (optional) the value for the option
+ *
+ * Modify a plugin option. If @val is given than the value of the option
+ * is set (note, some options just take a boolean, so @val must be either
+ * "1" or "0" or "true" or "false").
+ */
+int tep_plugin_add_option(const char *name, const char *val)
+{
+ struct trace_plugin_options *op;
+ char *option_str;
+ char *plugin;
+
+ option_str = strdup(name);
+ if (!option_str)
+ return -ENOMEM;
+
+ if (parse_option_name(&option_str, &plugin) < 0)
+ return -ENOMEM;
+
+ /* If the option exists, update the val */
+ for (op = trace_plugin_options; op; op = op->next) {
+ /* Both must be NULL or not NULL */
+ if ((!plugin || !op->plugin) && plugin != op->plugin)
+ continue;
+ if (plugin && strcmp(plugin, op->plugin) != 0)
+ continue;
+ if (strcmp(op->option, option_str) != 0)
+ continue;
+
+ /* update option */
+ free(op->value);
+ if (val) {
+ op->value = strdup(val);
+ if (!op->value)
+ goto out_free;
+ } else
+ op->value = NULL;
+
+ /* plugin and option_str don't get freed at the end */
+ free(plugin);
+ free(option_str);
+
+ plugin = op->plugin;
+ option_str = op->option;
+ break;
+ }
+
+ /* If not found, create */
+ if (!op) {
+ op = malloc(sizeof(*op));
+ if (!op)
+ goto out_free;
+ memset(op, 0, sizeof(*op));
+ op->plugin = plugin;
+ op->option = option_str;
+ if (val) {
+ op->value = strdup(val);
+ if (!op->value) {
+ free(op);
+ goto out_free;
+ }
+ }
+ op->next = trace_plugin_options;
+ trace_plugin_options = op;
+ }
+
+ return process_option(plugin, option_str, val);
+
+out_free:
+ free(plugin);
+ free(option_str);
+ return -ENOMEM;
+}
+
+static void print_op_data(struct trace_seq *s, const char *name,
+ const char *op)
+{
+ if (op)
+ trace_seq_printf(s, "%8s:\t%s\n", name, op);
+}
+
+/**
+ * tep_plugin_print_options - print out the registered plugin options
+ * @s: The trace_seq descriptor to write the plugin options into
+ *
+ * Writes a list of options into trace_seq @s.
+ */
+void tep_plugin_print_options(struct trace_seq *s)
+{
+ struct registered_plugin_options *reg;
+ struct tep_plugin_option *op;
+
+ for (reg = registered_options; reg; reg = reg->next) {
+ if (reg != registered_options)
+ trace_seq_printf(s, "============\n");
+ for (op = reg->options; op->name; op++) {
+ if (op != reg->options)
+ trace_seq_printf(s, "------------\n");
+ print_op_data(s, "file", op->file);
+ print_op_data(s, "plugin", op->plugin_alias);
+ print_op_data(s, "option", op->name);
+ print_op_data(s, "desc", op->description);
+ print_op_data(s, "value", op->value);
+ trace_seq_printf(s, "%8s:\t%d\n", "set", op->set);
+ }
+ }
+}
+
/**
* tep_print_plugins - print out the list of plugins loaded
* @s: the trace_seq descripter to write to
@@ -273,6 +444,7 @@ load_plugin(struct tep_handle *tep, const char *path,
const char *file, void *data)
{
struct tep_plugin_list **plugin_list = data;
+ struct tep_plugin_option *options;
tep_plugin_load_func func;
struct tep_plugin_list *list;
const char *alias;
@@ -297,6 +469,16 @@ load_plugin(struct tep_handle *tep, const char *path,
if (!alias)
alias = file;
+ options = dlsym(handle, TEP_PLUGIN_OPTIONS_NAME);
+ if (options) {
+ while (options->name) {
+ ret = update_option(alias, options);
+ if (ret < 0)
+ goto out_free;
+ options++;
+ }
+ }
+
func = dlsym(handle, TEP_PLUGIN_LOADER_NAME);
if (!func) {
warning("could not find func '%s' in plugin '%s'\n%s\n",
@@ -365,28 +547,53 @@ load_plugins_dir(struct tep_handle *tep, const char *suffix,
closedir(dir);
}
-static void
-load_plugins(struct tep_handle *tep, const char *suffix,
- void (*load_plugin)(struct tep_handle *tep,
- const char *path,
- const char *name,
- void *data),
- void *data)
+/**
+ * tep_load_plugins_hook - call a user specified callback to load a plugin
+ * @tep: handler to traceevent context
+ * @suffix: filter only plugin files with given suffix
+ * @load_plugin: user specified callback, called for each plugin file
+ * @data: custom context, passed to @load_plugin
+ *
+ * Searches for traceevent plugin files and calls @load_plugin for each
+ * The order of plugins search is:
+ * - Directories, specified in @tep->plugins_dir and priority TEP_PLUGIN_FIRST
+ * - Directory, specified at compile time with PLUGIN_TRACEEVENT_DIR
+ * - Directory, specified by environment variable TRACEEVENT_PLUGIN_DIR
+ * - In user's home: ~/.local/lib/traceevent/plugins/
+ * - Directories, specified in @tep->plugins_dir and priority TEP_PLUGIN_LAST
+ *
+ */
+void tep_load_plugins_hook(struct tep_handle *tep, const char *suffix,
+ void (*load_plugin)(struct tep_handle *tep,
+ const char *path,
+ const char *name,
+ void *data),
+ void *data)
{
+ struct tep_plugins_dir *dir = NULL;
char *home;
char *path;
char *envdir;
int ret;
- if (tep->flags & TEP_DISABLE_PLUGINS)
+ if (tep && tep->flags & TEP_DISABLE_PLUGINS)
return;
+ if (tep)
+ dir = tep->plugins_dir;
+ while (dir) {
+ if (dir->prio == TEP_PLUGIN_FIRST)
+ load_plugins_dir(tep, suffix, dir->path,
+ load_plugin, data);
+ dir = dir->next;
+ }
+
/*
* If a system plugin directory was defined,
* check that first.
*/
#ifdef PLUGIN_DIR
- if (!(tep->flags & TEP_DISABLE_SYS_PLUGINS))
+ if (!tep || !(tep->flags & TEP_DISABLE_SYS_PLUGINS))
load_plugins_dir(tep, suffix, PLUGIN_DIR,
load_plugin, data);
#endif
@@ -415,6 +622,15 @@ load_plugins(struct tep_handle *tep, const char *suffix,
load_plugins_dir(tep, suffix, path, load_plugin, data);
+ if (tep)
+ dir = tep->plugins_dir;
+ while (dir) {
+ if (dir->prio == TEP_PLUGIN_LAST)
+ load_plugins_dir(tep, suffix, dir->path,
+ load_plugin, data);
+ dir = dir->next;
+ }
+
free(path);
}
@@ -423,10 +639,59 @@ tep_load_plugins(struct tep_handle *tep)
{
struct tep_plugin_list *list = NULL;
- load_plugins(tep, ".so", load_plugin, &list);
+ tep_load_plugins_hook(tep, ".so", load_plugin, &list);
return list;
}
+/**
+ * tep_add_plugin_path - Add a new plugin directory.
+ * @tep: Trace event handler.
+ * @path: Path to a directory. All plugin files in that
+ * directory will be loaded.
+ *@prio: Load priority of the plugins in that directory.
+ *
+ * Returns -1 in case of an error, 0 otherwise.
+ */
+int tep_add_plugin_path(struct tep_handle *tep, char *path,
+ enum tep_plugin_load_priority prio)
+{
+ struct tep_plugins_dir *dir;
+
+ if (!tep || !path)
+ return -1;
+
+ dir = calloc(1, sizeof(*dir));
+ if (!dir)
+ return -1;
+
+ dir->path = strdup(path);
+ if (!dir->path) {
+ free(dir);
+ return -1;
+ }
+ dir->prio = prio;
+ dir->next = tep->plugins_dir;
+ tep->plugins_dir = dir;
+
+ return 0;
+}
+
+void tep_free_plugin_paths(struct tep_handle *tep)
+{
+ struct tep_plugins_dir *dir;
+
+ if (!tep)
+ return;
+
+ dir = tep->plugins_dir;
+ while (dir) {
+ tep->plugins_dir = tep->plugins_dir->next;
+ free(dir->path);
+ free(dir);
+ dir = tep->plugins_dir;
+ }
+}
+
void
tep_unload_plugins(struct tep_plugin_list *plugin_list, struct tep_handle *tep)
{
diff --git a/tools/lib/traceevent/kbuffer.h b/tools/lib/traceevent/kbuffer.h
index 5fa8292e341b..a2b522093cfd 100644
--- a/tools/lib/traceevent/kbuffer.h
+++ b/tools/lib/traceevent/kbuffer.h
@@ -1,22 +1,7 @@
+/* SPDX-License-Identifier: LGPL-2.1 */
/*
* Copyright (C) 2012 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
*
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License (not later!)
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef _KBUFFER_H
#define _KBUFFER_H
diff --git a/tools/lib/traceevent/plugins/Build b/tools/lib/traceevent/plugins/Build
index 210d26910613..dd4da823c38f 100644
--- a/tools/lib/traceevent/plugins/Build
+++ b/tools/lib/traceevent/plugins/Build
@@ -5,6 +5,8 @@ plugin_kvm-y += plugin_kvm.o
plugin_mac80211-y += plugin_mac80211.o
plugin_sched_switch-y += plugin_sched_switch.o
plugin_function-y += plugin_function.o
+plugin_futex-y += plugin_futex.o
plugin_xen-y += plugin_xen.o
plugin_scsi-y += plugin_scsi.o
plugin_cfg80211-y += plugin_cfg80211.o
+plugin_tlb-y += plugin_tlb.o \ No newline at end of file
diff --git a/tools/lib/traceevent/plugins/Makefile b/tools/lib/traceevent/plugins/Makefile
index 680d883efe05..47e802553250 100644
--- a/tools/lib/traceevent/plugins/Makefile
+++ b/tools/lib/traceevent/plugins/Makefile
@@ -134,9 +134,11 @@ PLUGINS += plugin_kvm.so
PLUGINS += plugin_mac80211.so
PLUGINS += plugin_sched_switch.so
PLUGINS += plugin_function.so
+PLUGINS += plugin_futex.so
PLUGINS += plugin_xen.so
PLUGINS += plugin_scsi.so
PLUGINS += plugin_cfg80211.so
+PLUGINS += plugin_tlb.so
PLUGINS := $(addprefix $(OUTPUT),$(PLUGINS))
PLUGINS_IN := $(PLUGINS:.so=-in.o)
diff --git a/tools/lib/traceevent/plugins/plugin_function.c b/tools/lib/traceevent/plugins/plugin_function.c
index 7770fcb78e0f..807b16e1bf0f 100644
--- a/tools/lib/traceevent/plugins/plugin_function.c
+++ b/tools/lib/traceevent/plugins/plugin_function.c
@@ -1,21 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1
/*
* Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License (not later!)
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <stdio.h>
#include <stdlib.h>
@@ -50,12 +35,20 @@ struct tep_plugin_option plugin_options[] =
.set = 1,
},
{
+ .name = "offset",
+ .plugin_alias = "ftrace",
+ .description =
+ "Show function names as well as their offsets",
+ .set = 0,
+ },
+ {
.name = NULL,
}
};
static struct tep_plugin_option *ftrace_parent = &plugin_options[0];
static struct tep_plugin_option *ftrace_indent = &plugin_options[1];
+static struct tep_plugin_option *ftrace_offset = &plugin_options[2];
static void add_child(struct func_stack *stack, const char *child, int pos)
{
@@ -123,6 +116,18 @@ static int add_and_get_index(const char *parent, const char *child, int cpu)
return 0;
}
+static void show_function(struct trace_seq *s, struct tep_handle *tep,
+ const char *func, unsigned long long function)
+{
+ unsigned long long offset;
+
+ trace_seq_printf(s, "%s", func);
+ if (ftrace_offset->set) {
+ offset = tep_find_function_address(tep, function);
+ trace_seq_printf(s, "+0x%x ", (int)(function - offset));
+ }
+}
+
static int function_handler(struct trace_seq *s, struct tep_record *record,
struct tep_event *event, void *context)
{
@@ -149,14 +154,14 @@ static int function_handler(struct trace_seq *s, struct tep_record *record,
trace_seq_printf(s, "%*s", index*3, "");
if (func)
- trace_seq_printf(s, "%s", func);
+ show_function(s, tep, func, function);
else
trace_seq_printf(s, "0x%llx", function);
if (ftrace_parent->set) {
trace_seq_printf(s, " <-- ");
if (parent)
- trace_seq_printf(s, "%s", parent);
+ show_function(s, tep, parent, pfunction);
else
trace_seq_printf(s, "0x%llx", pfunction);
}
@@ -164,11 +169,93 @@ static int function_handler(struct trace_seq *s, struct tep_record *record,
return 0;
}
+static int
+trace_stack_handler(struct trace_seq *s, struct tep_record *record,
+ struct tep_event *event, void *context)
+{
+ struct tep_format_field *field;
+ unsigned long long addr;
+ const char *func;
+ int long_size;
+ void *data = record->data;
+
+ field = tep_find_any_field(event, "caller");
+ if (!field) {
+ trace_seq_printf(s, "<CANT FIND FIELD %s>", "caller");
+ return 0;
+ }
+
+ trace_seq_puts(s, "<stack trace >\n");
+
+ long_size = tep_get_long_size(event->tep);
+
+ for (data += field->offset; data < record->data + record->size;
+ data += long_size) {
+ addr = tep_read_number(event->tep, data, long_size);
+
+ if ((long_size == 8 && addr == (unsigned long long)-1) ||
+ ((int)addr == -1))
+ break;
+
+ func = tep_find_function(event->tep, addr);
+ if (func)
+ trace_seq_printf(s, "=> %s (%llx)\n", func, addr);
+ else
+ trace_seq_printf(s, "=> %llx\n", addr);
+ }
+
+ return 0;
+}
+
+static int
+trace_raw_data_handler(struct trace_seq *s, struct tep_record *record,
+ struct tep_event *event, void *context)
+{
+ struct tep_format_field *field;
+ unsigned long long id;
+ int long_size;
+ void *data = record->data;
+
+ if (tep_get_field_val(s, event, "id", record, &id, 1))
+ return trace_seq_putc(s, '!');
+
+ trace_seq_printf(s, "# %llx", id);
+
+ field = tep_find_any_field(event, "buf");
+ if (!field) {
+ trace_seq_printf(s, "<CANT FIND FIELD %s>", "buf");
+ return 0;
+ }
+
+ long_size = tep_get_long_size(event->tep);
+
+ for (data += field->offset; data < record->data + record->size;
+ data += long_size) {
+ int size = sizeof(long);
+ int left = (record->data + record->size) - data;
+ int i;
+
+ if (size > left)
+ size = left;
+
+ for (i = 0; i < size; i++)
+ trace_seq_printf(s, " %02x", *(unsigned char *)(data + i));
+ }
+
+ return 0;
+}
+
int TEP_PLUGIN_LOADER(struct tep_handle *tep)
{
tep_register_event_handler(tep, -1, "ftrace", "function",
function_handler, NULL);
+ tep_register_event_handler(tep, -1, "ftrace", "kernel_stack",
+ trace_stack_handler, NULL);
+
+ tep_register_event_handler(tep, -1, "ftrace", "raw_data",
+ trace_raw_data_handler, NULL);
+
tep_plugin_add_options("ftrace", plugin_options);
return 0;
diff --git a/tools/lib/traceevent/plugins/plugin_futex.c b/tools/lib/traceevent/plugins/plugin_futex.c
new file mode 100644
index 000000000000..eb7c9f8a850a
--- /dev/null
+++ b/tools/lib/traceevent/plugins/plugin_futex.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: LGPL-2.1
+/*
+ * Copyright (C) 2017 National Instruments Corp.
+ *
+ * Author: Julia Cartwright <julia@ni.com>
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <linux/futex.h>
+
+#include "event-parse.h"
+
+#define ARRAY_SIZE(_a) (sizeof(_a) / sizeof((_a)[0]))
+
+struct futex_args {
+ unsigned long long uaddr;
+ unsigned long long op;
+ unsigned long long val;
+ unsigned long long utime; /* or val2 */
+ unsigned long long uaddr2;
+ unsigned long long val3;
+};
+
+struct futex_op {
+ const char *name;
+ const char *fmt_val;
+ const char *fmt_utime;
+ const char *fmt_uaddr2;
+ const char *fmt_val3;
+};
+
+static const struct futex_op futex_op_tbl[] = {
+ { "FUTEX_WAIT", " val=0x%08llx", " utime=0x%08llx", NULL, NULL },
+ { "FUTEX_WAKE", " val=%llu", NULL, NULL, NULL },
+ { "FUTEX_FD", " val=%llu", NULL, NULL, NULL },
+ { "FUTEX_REQUEUE", " val=%llu", " val2=%llu", " uaddr2=0x%08llx", NULL },
+ { "FUTEX_CMP_REQUEUE", " val=%llu", " val2=%llu", " uaddr2=0x%08llx", " val3=0x%08llx" },
+ { "FUTEX_WAKE_OP", " val=%llu", " val2=%llu", " uaddr2=0x%08llx", " val3=0x%08llx" },
+ { "FUTEX_LOCK_PI", NULL, " utime=0x%08llx", NULL, NULL },
+ { "FUTEX_UNLOCK_PI", NULL, NULL, NULL, NULL },
+ { "FUTEX_TRYLOCK_PI", NULL, NULL, NULL, NULL },
+ { "FUTEX_WAIT_BITSET", " val=0x%08llx", " utime=0x%08llx", NULL, " val3=0x%08llx" },
+ { "FUTEX_WAKE_BITSET", " val=%llu", NULL, NULL, " val3=0x%08llx" },
+ { "FUTEX_WAIT_REQUEUE_PI", " val=0x%08llx", " utime=0x%08llx", " uaddr2=0x%08llx", " val3=0x%08llx" },
+ { "FUTEX_CMP_REQUEUE_PI", " val=%llu", " val2=%llu", " uaddr2=0x%08llx", " val3=0x%08llx" },
+};
+
+
+static void futex_print(struct trace_seq *s, const struct futex_args *args,
+ const struct futex_op *fop)
+{
+ trace_seq_printf(s, " uaddr=0x%08llx", args->uaddr);
+
+ if (fop->fmt_val)
+ trace_seq_printf(s, fop->fmt_val, args->val);
+
+ if (fop->fmt_utime)
+ trace_seq_printf(s,fop->fmt_utime, args->utime);
+
+ if (fop->fmt_uaddr2)
+ trace_seq_printf(s, fop->fmt_uaddr2, args->uaddr2);
+
+ if (fop->fmt_val3)
+ trace_seq_printf(s, fop->fmt_val3, args->val3);
+}
+
+static int futex_handler(struct trace_seq *s, struct tep_record *record,
+ struct tep_event *event, void *context)
+{
+ const struct futex_op *fop;
+ struct futex_args args;
+ unsigned long long cmd;
+
+ if (tep_get_field_val(s, event, "uaddr", record, &args.uaddr, 1))
+ return 1;
+
+ if (tep_get_field_val(s, event, "op", record, &args.op, 1))
+ return 1;
+
+ if (tep_get_field_val(s, event, "val", record, &args.val, 1))
+ return 1;
+
+ if (tep_get_field_val(s, event, "utime", record, &args.utime, 1))
+ return 1;
+
+ if (tep_get_field_val(s, event, "uaddr2", record, &args.uaddr2, 1))
+ return 1;
+
+ if (tep_get_field_val(s, event, "val3", record, &args.val3, 1))
+ return 1;
+
+ cmd = args.op & FUTEX_CMD_MASK;
+ if (cmd >= ARRAY_SIZE(futex_op_tbl))
+ return 1;
+
+ fop = &futex_op_tbl[cmd];
+
+ trace_seq_printf(s, "op=%s", fop->name);
+
+ if (args.op & FUTEX_PRIVATE_FLAG)
+ trace_seq_puts(s, "|FUTEX_PRIVATE_FLAG");
+
+ if (args.op & FUTEX_CLOCK_REALTIME)
+ trace_seq_puts(s, "|FUTEX_CLOCK_REALTIME");
+
+ futex_print(s, &args, fop);
+ return 0;
+}
+
+int TEP_PLUGIN_LOADER(struct tep_handle *tep)
+{
+ tep_register_event_handler(tep, -1, "syscalls", "sys_enter_futex",
+ futex_handler, NULL);
+ return 0;
+}
+
+void TEP_PLUGIN_UNLOADER(struct tep_handle *tep)
+{
+ tep_unregister_event_handler(tep, -1, "syscalls", "sys_enter_futex",
+ futex_handler, NULL);
+}
diff --git a/tools/lib/traceevent/plugins/plugin_hrtimer.c b/tools/lib/traceevent/plugins/plugin_hrtimer.c
index bb434e0ed03a..d98466788f14 100644
--- a/tools/lib/traceevent/plugins/plugin_hrtimer.c
+++ b/tools/lib/traceevent/plugins/plugin_hrtimer.c
@@ -1,22 +1,7 @@
+// SPDX-License-Identifier: LGPL-2.1
/*
* Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
* Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License (not later!)
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <stdio.h>
#include <stdlib.h>
diff --git a/tools/lib/traceevent/plugins/plugin_jbd2.c b/tools/lib/traceevent/plugins/plugin_jbd2.c
index 04fc125f38cb..69111a68d3cf 100644
--- a/tools/lib/traceevent/plugins/plugin_jbd2.c
+++ b/tools/lib/traceevent/plugins/plugin_jbd2.c
@@ -1,21 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1
/*
* Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License (not later!)
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <stdio.h>
#include <stdlib.h>
diff --git a/tools/lib/traceevent/plugins/plugin_kmem.c b/tools/lib/traceevent/plugins/plugin_kmem.c
index edaec5d962c3..4b4f7f9616e3 100644
--- a/tools/lib/traceevent/plugins/plugin_kmem.c
+++ b/tools/lib/traceevent/plugins/plugin_kmem.c
@@ -1,21 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1
/*
* Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License (not later!)
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <stdio.h>
#include <stdlib.h>
diff --git a/tools/lib/traceevent/plugins/plugin_kvm.c b/tools/lib/traceevent/plugins/plugin_kvm.c
index c8e623065a7e..51ceeb9147eb 100644
--- a/tools/lib/traceevent/plugins/plugin_kvm.c
+++ b/tools/lib/traceevent/plugins/plugin_kvm.c
@@ -1,21 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1
/*
* Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License (not later!)
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <stdio.h>
#include <stdlib.h>
@@ -155,7 +140,23 @@ static const char *disassemble(unsigned char *insn, int len, uint64_t rip,
_ER(EXIT_WRITE_DR5, 0x035) \
_ER(EXIT_WRITE_DR6, 0x036) \
_ER(EXIT_WRITE_DR7, 0x037) \
- _ER(EXIT_EXCP_BASE, 0x040) \
+ _ER(EXIT_EXCP_DE, 0x040) \
+ _ER(EXIT_EXCP_DB, 0x041) \
+ _ER(EXIT_EXCP_BP, 0x043) \
+ _ER(EXIT_EXCP_OF, 0x044) \
+ _ER(EXIT_EXCP_BR, 0x045) \
+ _ER(EXIT_EXCP_UD, 0x046) \
+ _ER(EXIT_EXCP_NM, 0x047) \
+ _ER(EXIT_EXCP_DF, 0x048) \
+ _ER(EXIT_EXCP_TS, 0x04a) \
+ _ER(EXIT_EXCP_NP, 0x04b) \
+ _ER(EXIT_EXCP_SS, 0x04c) \
+ _ER(EXIT_EXCP_GP, 0x04d) \
+ _ER(EXIT_EXCP_PF, 0x04e) \
+ _ER(EXIT_EXCP_MF, 0x050) \
+ _ER(EXIT_EXCP_AC, 0x051) \
+ _ER(EXIT_EXCP_MC, 0x052) \
+ _ER(EXIT_EXCP_XF, 0x053) \
_ER(EXIT_INTR, 0x060) \
_ER(EXIT_NMI, 0x061) \
_ER(EXIT_SMI, 0x062) \
@@ -201,7 +202,10 @@ static const char *disassemble(unsigned char *insn, int len, uint64_t rip,
_ER(EXIT_MONITOR, 0x08a) \
_ER(EXIT_MWAIT, 0x08b) \
_ER(EXIT_MWAIT_COND, 0x08c) \
- _ER(EXIT_NPF, 0x400) \
+ _ER(EXIT_XSETBV, 0x08d) \
+ _ER(EXIT_NPF, 0x400) \
+ _ER(EXIT_AVIC_INCOMPLETE_IPI, 0x401) \
+ _ER(EXIT_AVIC_UNACCELERATED_ACCESS, 0x402) \
_ER(EXIT_ERR, -1)
#define _ER(reason, val) { #reason, val },
@@ -241,7 +245,7 @@ static const char *find_exit_reason(unsigned isa, int val)
}
if (!strings)
return "UNKNOWN-ISA";
- for (i = 0; strings[i].val >= 0; i++)
+ for (i = 0; strings[i].str; i++)
if (strings[i].val == val)
break;
diff --git a/tools/lib/traceevent/plugins/plugin_mac80211.c b/tools/lib/traceevent/plugins/plugin_mac80211.c
index 884303c26b5c..f48071e3cfb8 100644
--- a/tools/lib/traceevent/plugins/plugin_mac80211.c
+++ b/tools/lib/traceevent/plugins/plugin_mac80211.c
@@ -1,21 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1
/*
* Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License (not later!)
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <stdio.h>
#include <stdlib.h>
diff --git a/tools/lib/traceevent/plugins/plugin_sched_switch.c b/tools/lib/traceevent/plugins/plugin_sched_switch.c
index 957389a0ff7a..e12fa103820a 100644
--- a/tools/lib/traceevent/plugins/plugin_sched_switch.c
+++ b/tools/lib/traceevent/plugins/plugin_sched_switch.c
@@ -1,21 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1
/*
* Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License (not later!)
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see <http://www.gnu.org/licenses>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <stdio.h>
#include <stdlib.h>
diff --git a/tools/lib/traceevent/plugins/plugin_tlb.c b/tools/lib/traceevent/plugins/plugin_tlb.c
new file mode 100644
index 000000000000..43657fb60504
--- /dev/null
+++ b/tools/lib/traceevent/plugins/plugin_tlb.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: LGPL-2.1
+/*
+ * Copyright (C) 2015 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "event-parse.h"
+
+enum tlb_flush_reason {
+ TLB_FLUSH_ON_TASK_SWITCH,
+ TLB_REMOTE_SHOOTDOWN,
+ TLB_LOCAL_SHOOTDOWN,
+ TLB_LOCAL_MM_SHOOTDOWN,
+ NR_TLB_FLUSH_REASONS,
+};
+
+static int tlb_flush_handler(struct trace_seq *s, struct tep_record *record,
+ struct tep_event *event, void *context)
+{
+ unsigned long long val;
+
+ trace_seq_printf(s, "pages=");
+
+ tep_print_num_field(s, "%ld", event, "pages", record, 1);
+
+ if (tep_get_field_val(s, event, "reason", record, &val, 1) < 0)
+ return -1;
+
+ trace_seq_puts(s, " reason=");
+
+ switch (val) {
+ case TLB_FLUSH_ON_TASK_SWITCH:
+ trace_seq_puts(s, "flush on task switch");
+ break;
+ case TLB_REMOTE_SHOOTDOWN:
+ trace_seq_puts(s, "remote shootdown");
+ break;
+ case TLB_LOCAL_SHOOTDOWN:
+ trace_seq_puts(s, "local shootdown");
+ break;
+ case TLB_LOCAL_MM_SHOOTDOWN:
+ trace_seq_puts(s, "local mm shootdown");
+ break;
+ }
+
+ trace_seq_printf(s, " (%lld)", val);
+
+ return 0;
+}
+
+int TEP_PLUGIN_LOADER(struct tep_handle *tep)
+{
+ tep_register_event_handler(tep, -1, "tlb", "tlb_flush",
+ tlb_flush_handler, NULL);
+
+ return 0;
+}
+
+void TEP_PLUGIN_UNLOADER(struct tep_handle *tep)
+{
+ tep_unregister_event_handler(tep, -1,
+ "tlb", "tlb_flush",
+ tlb_flush_handler, NULL);
+}
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