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-rw-r--r--tools/perf/builtin-script.c136
1 files changed, 119 insertions, 17 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index e3ce2f34d3ad..971ff91b16cb 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -21,6 +21,7 @@
#include "util/cpumap.h"
#include "util/thread_map.h"
#include "util/stat.h"
+#include "util/thread-stack.h"
#include <linux/bitmap.h>
#include <linux/stringify.h>
#include "asm/bug.h"
@@ -63,6 +64,7 @@ enum perf_output_field {
PERF_OUTPUT_DATA_SRC = 1U << 17,
PERF_OUTPUT_WEIGHT = 1U << 18,
PERF_OUTPUT_BPF_OUTPUT = 1U << 19,
+ PERF_OUTPUT_CALLINDENT = 1U << 20,
};
struct output_option {
@@ -89,6 +91,7 @@ struct output_option {
{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
{.str = "weight", .field = PERF_OUTPUT_WEIGHT},
{.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
+ {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
};
/* default set to maintain compatibility with current format */
@@ -339,7 +342,7 @@ static void set_print_ip_opts(struct perf_event_attr *attr)
*/
static int perf_session__check_output_opt(struct perf_session *session)
{
- int j;
+ unsigned int j;
struct perf_evsel *evsel;
for (j = 0; j < PERF_TYPE_MAX; ++j) {
@@ -369,7 +372,7 @@ static int perf_session__check_output_opt(struct perf_session *session)
if (!no_callchain) {
bool use_callchain = false;
- evlist__for_each(session->evlist, evsel) {
+ evlist__for_each_entry(session->evlist, evsel) {
if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
use_callchain = true;
break;
@@ -388,17 +391,20 @@ static int perf_session__check_output_opt(struct perf_session *session)
struct perf_event_attr *attr;
j = PERF_TYPE_TRACEPOINT;
- evsel = perf_session__find_first_evtype(session, j);
- if (evsel == NULL)
- goto out;
- attr = &evsel->attr;
+ evlist__for_each_entry(session->evlist, evsel) {
+ if (evsel->attr.type != j)
+ continue;
+
+ attr = &evsel->attr;
- if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
- output[j].fields |= PERF_OUTPUT_IP;
- output[j].fields |= PERF_OUTPUT_SYM;
- output[j].fields |= PERF_OUTPUT_DSO;
- set_print_ip_opts(attr);
+ if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
+ output[j].fields |= PERF_OUTPUT_IP;
+ output[j].fields |= PERF_OUTPUT_SYM;
+ output[j].fields |= PERF_OUTPUT_DSO;
+ set_print_ip_opts(attr);
+ goto out;
+ }
}
}
@@ -559,6 +565,62 @@ static void print_sample_addr(struct perf_sample *sample,
}
}
+static void print_sample_callindent(struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct thread *thread,
+ struct addr_location *al)
+{
+ struct perf_event_attr *attr = &evsel->attr;
+ size_t depth = thread_stack__depth(thread);
+ struct addr_location addr_al;
+ const char *name = NULL;
+ static int spacing;
+ int len = 0;
+ u64 ip = 0;
+
+ /*
+ * The 'return' has already been popped off the stack so the depth has
+ * to be adjusted to match the 'call'.
+ */
+ if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
+ depth += 1;
+
+ if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
+ if (sample_addr_correlates_sym(attr)) {
+ thread__resolve(thread, &addr_al, sample);
+ if (addr_al.sym)
+ name = addr_al.sym->name;
+ else
+ ip = sample->addr;
+ } else {
+ ip = sample->addr;
+ }
+ } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
+ if (al->sym)
+ name = al->sym->name;
+ else
+ ip = sample->ip;
+ }
+
+ if (name)
+ len = printf("%*s%s", (int)depth * 4, "", name);
+ else if (ip)
+ len = printf("%*s%16" PRIx64, (int)depth * 4, "", ip);
+
+ if (len < 0)
+ return;
+
+ /*
+ * Try to keep the output length from changing frequently so that the
+ * output lines up more nicely.
+ */
+ if (len > spacing || (len && len < spacing - 52))
+ spacing = round_up(len + 4, 32);
+
+ if (len < spacing)
+ printf("%*s", spacing - len, "");
+}
+
static void print_sample_bts(struct perf_sample *sample,
struct perf_evsel *evsel,
struct thread *thread,
@@ -567,6 +629,9 @@ static void print_sample_bts(struct perf_sample *sample,
struct perf_event_attr *attr = &evsel->attr;
bool print_srcline_last = false;
+ if (PRINT_FIELD(CALLINDENT))
+ print_sample_callindent(sample, evsel, thread, al);
+
/* print branch_from information */
if (PRINT_FIELD(IP)) {
unsigned int print_opts = output[attr->type].print_ip_opts;
@@ -603,13 +668,42 @@ static void print_sample_bts(struct perf_sample *sample,
printf("\n");
}
+static struct {
+ u32 flags;
+ const char *name;
+} sample_flags[] = {
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
+ {PERF_IP_FLAG_BRANCH, "jmp"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
+ {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
+ {0, NULL}
+};
+
static void print_sample_flags(u32 flags)
{
const char *chars = PERF_IP_FLAG_CHARS;
const int n = strlen(PERF_IP_FLAG_CHARS);
+ bool in_tx = flags & PERF_IP_FLAG_IN_TX;
+ const char *name = NULL;
char str[33];
int i, pos = 0;
+ for (i = 0; sample_flags[i].name ; i++) {
+ if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
+ name = sample_flags[i].name;
+ break;
+ }
+ }
+
for (i = 0; i < n; i++, flags >>= 1) {
if (flags & 1)
str[pos++] = chars[i];
@@ -619,7 +713,11 @@ static void print_sample_flags(u32 flags)
str[pos++] = '?';
}
str[pos] = 0;
- printf(" %-4s ", str);
+
+ if (name)
+ printf(" %-7s%4s ", name, in_tx ? "(x)" : "");
+ else
+ printf(" %-11s ", str);
}
struct printer_data {
@@ -717,7 +815,7 @@ static int perf_evlist__max_name_len(struct perf_evlist *evlist)
struct perf_evsel *evsel;
int max = 0;
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
int len = strlen(perf_evsel__name(evsel));
max = MAX(len, max);
@@ -942,7 +1040,7 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
if (evsel->attr.type >= PERF_TYPE_MAX)
return 0;
- evlist__for_each(evlist, pos) {
+ evlist__for_each_entry(evlist, pos) {
if (pos->attr.type == evsel->attr.type && pos != evsel)
return 0;
}
@@ -1668,7 +1766,7 @@ static int check_ev_match(char *dir_name, char *scriptname,
snprintf(evname, len + 1, "%s", p);
match = 0;
- evlist__for_each(session->evlist, pos) {
+ evlist__for_each_entry(session->evlist, pos) {
if (!strcmp(perf_evsel__name(pos), evname)) {
match = 1;
break;
@@ -1870,7 +1968,7 @@ static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
struct stat_round_event *round = &event->stat_round;
struct perf_evsel *counter;
- evlist__for_each(session->evlist, counter) {
+ evlist__for_each_entry(session->evlist, counter) {
perf_stat_process_counter(&stat_config, counter);
process_stat(counter, round->time);
}
@@ -2017,7 +2115,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
"comma separated output fields prepend with 'type:'. "
"Valid types: hw,sw,trace,raw. "
"Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
- "addr,symoff,period,iregs,brstack,brstacksym,flags", parse_output_fields),
+ "addr,symoff,period,iregs,brstack,brstacksym,flags,"
+ "callindent", parse_output_fields),
OPT_BOOLEAN('a', "all-cpus", &system_wide,
"system-wide collection from all CPUs"),
OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
@@ -2256,6 +2355,9 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
script.session = session;
script__setup_sample_type(&script);
+ if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
+ itrace_synth_opts.thread_stack = true;
+
session->itrace_synth_opts = &itrace_synth_opts;
if (cpu_list) {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.