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Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-perl.c')
-rw-r--r--tools/perf/util/scripting-engines/trace-event-perl.c46
1 files changed, 30 insertions, 16 deletions
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 0e608a5ef599..b072ac5d3bc2 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -27,6 +27,7 @@
#include <errno.h>
#include <linux/bitmap.h>
#include <linux/time64.h>
+#include <traceevent/event-parse.h>
#include <stdbool.h>
/* perl needs the following define, right after including stdbool.h */
@@ -66,8 +67,6 @@ INTERP my_perl;
#define TRACE_EVENT_TYPE_MAX \
((1 << (sizeof(unsigned short) * 8)) - 1)
-static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
-
extern struct scripting_context *scripting_context;
static char *cur_field_name;
@@ -261,6 +260,7 @@ static SV *perl_process_callchain(struct perf_sample *sample,
struct evsel *evsel,
struct addr_location *al)
{
+ struct callchain_cursor *cursor;
AV *list;
list = newAV();
@@ -270,18 +270,20 @@ static SV *perl_process_callchain(struct perf_sample *sample,
if (!symbol_conf.use_callchain || !sample->callchain)
goto exit;
- if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
+ cursor = get_tls_callchain_cursor();
+
+ if (thread__resolve_callchain(al->thread, cursor, evsel,
sample, NULL, NULL, scripting_max_stack) != 0) {
pr_err("Failed to resolve callchain. Skipping\n");
goto exit;
}
- callchain_cursor_commit(&callchain_cursor);
+ callchain_cursor_commit(cursor);
while (1) {
HV *elem;
struct callchain_cursor_node *node;
- node = callchain_cursor_current(&callchain_cursor);
+ node = callchain_cursor_current(cursor);
if (!node)
break;
@@ -314,12 +316,14 @@ static SV *perl_process_callchain(struct perf_sample *sample,
if (node->ms.map) {
struct map *map = node->ms.map;
+ struct dso *dso = map ? map__dso(map) : NULL;
const char *dsoname = "[unknown]";
- if (map && map->dso) {
- if (symbol_conf.show_kernel_path && map->dso->long_name)
- dsoname = map->dso->long_name;
+
+ if (dso) {
+ if (symbol_conf.show_kernel_path && dso->long_name)
+ dsoname = dso->long_name;
else
- dsoname = map->dso->name;
+ dsoname = dso->name;
}
if (!hv_stores(elem, "dso", newSVpv(dsoname,0))) {
hv_undef(elem);
@@ -327,7 +331,7 @@ static SV *perl_process_callchain(struct perf_sample *sample,
}
}
- callchain_cursor_advance(&callchain_cursor);
+ callchain_cursor_advance(cursor);
av_push(list, newRV_noinc((SV*)elem));
}
@@ -350,7 +354,9 @@ static void perl_process_tracepoint(struct perf_sample *sample,
void *data = sample->raw_data;
unsigned long long nsecs = sample->time;
const char *comm = thread__comm_str(thread);
+ DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX);
+ bitmap_zero(events_defined, TRACE_EVENT_TYPE_MAX);
dSP;
if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
@@ -365,15 +371,12 @@ static void perl_process_tracepoint(struct perf_sample *sample,
sprintf(handler, "%s::%s", event->system, event->name);
- if (!test_and_set_bit(event->id, events_defined))
+ if (!__test_and_set_bit(event->id, events_defined))
define_event_symbols(event, handler, event->print_fmt.args);
s = nsecs / NSEC_PER_SEC;
ns = nsecs - s * NSEC_PER_SEC;
- scripting_context->event_data = data;
- scripting_context->pevent = evsel->tp_format->tep;
-
ENTER;
SAVETMPS;
PUSHMARK(SP);
@@ -395,6 +398,8 @@ static void perl_process_tracepoint(struct perf_sample *sample,
if (field->flags & TEP_FIELD_IS_DYNAMIC) {
offset = *(int *)(data + field->offset);
offset &= 0xffff;
+ if (tep_field_is_relative(field->flags))
+ offset += field->offset + field->size;
} else
offset = field->offset;
XPUSHs(sv_2mortal(newSVpv((char *)data + offset, 0)));
@@ -456,8 +461,10 @@ static void perl_process_event_generic(union perf_event *event,
static void perl_process_event(union perf_event *event,
struct perf_sample *sample,
struct evsel *evsel,
- struct addr_location *al)
+ struct addr_location *al,
+ struct addr_location *addr_al)
{
+ scripting_context__update(scripting_context, event, sample, evsel, al, addr_al);
perl_process_tracepoint(sample, evsel, al);
perl_process_event_generic(event, sample, evsel);
}
@@ -474,12 +481,18 @@ static void run_start_sub(void)
/*
* Start trace script
*/
-static int perl_start_script(const char *script, int argc, const char **argv)
+static int perl_start_script(const char *script, int argc, const char **argv,
+ struct perf_session *session)
{
const char **command_line;
int i, err = 0;
+ scripting_context->session = session;
+
command_line = malloc((argc + 2) * sizeof(const char *));
+ if (!command_line)
+ return -ENOMEM;
+
command_line[0] = "";
command_line[1] = script;
for (i = 2; i < argc + 2; i++)
@@ -750,6 +763,7 @@ sub print_backtrace\n\
struct scripting_ops perl_scripting_ops = {
.name = "Perl",
+ .dirname = "perl",
.start_script = perl_start_script,
.flush_script = perl_flush_script,
.stop_script = perl_stop_script,