Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-09-20 15:03:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

perf scripting python: Add 'addr_location' for 'addr'

Browse Source 
If sample addr correlates to a symbol, add  "addr_dso", "addr_symbol", and
"addr_symoff" to python scripting.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210525095112.1399-4-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2021-05-25 12:51:05 +03:00 committed by Arnaldo Carvalho de Melo
parent 8271b50958
commit 3f8e009e01
7 changed files with 41 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
tools/perf/builtin-script.c
View File

@ -2189,10 +2189,19 @@ static int process_sample_event(struct perf_tool *tool,
if (filter_cpu(sample))
goto out_put;
if (scripting_ops)
scripting_ops->process_event(event, sample, evsel, &al);
else
if (scripting_ops) {
struct addr_location *addr_al_ptr = NULL;
struct addr_location addr_al;
if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
sample_addr_correlates_sym(&evsel->core.attr)) {
thread__resolve(al.thread, &addr_al, sample);
addr_al_ptr = &addr_al;
}
scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
} else {
process_event(scr, sample, evsel, &al, machine);
}
out_put:
addr_location__put(&al);

12
tools/perf/util/db-export.c
View File

@ -343,7 +343,7 @@ static int db_export__threads(struct db_export *dbe, struct thread *thread,
int db_export__sample(struct db_export *dbe, union perf_event *event,
struct perf_sample *sample, struct evsel *evsel,
struct addr_location *al)
struct addr_location *al, struct addr_location *addr_al)
{
struct thread *thread = al->thread;
struct export_sample es = {
@ -389,18 +389,14 @@ int db_export__sample(struct db_export *dbe, union perf_event *event,
}
}
if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
sample_addr_correlates_sym(&evsel->core.attr)) {
struct addr_location addr_al;
thread__resolve(thread, &addr_al, sample);
err = db_ids_from_al(dbe, &addr_al, &es.addr_dso_db_id,
if (addr_al) {
err = db_ids_from_al(dbe, addr_al, &es.addr_dso_db_id,
&es.addr_sym_db_id, &es.addr_offset);
if (err)
goto out_put;
if (dbe->crp) {
err = thread_stack__process(thread, comm, sample, al,
&addr_al, es.db_id,
addr_al, es.db_id,
dbe->crp);
if (err)
goto out_put;

2
tools/perf/util/db-export.h
View File

@ -97,7 +97,7 @@ int db_export__branch_type(struct db_export *dbe, u32 branch_type,
const char *name);
int db_export__sample(struct db_export *dbe, union perf_event *event,
struct perf_sample *sample, struct evsel *evsel,
struct addr_location *al);
struct addr_location *al, struct addr_location *addr_al);
int db_export__branch_types(struct db_export *dbe);

3
tools/perf/util/scripting-engines/trace-event-perl.c
View File

@ -456,7 +456,8 @@ 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 __maybe_unused)
{
perl_process_tracepoint(sample, evsel, al);
perl_process_event_generic(event, sample, evsel);

26
tools/perf/util/scripting-engines/trace-event-python.c
View File

@ -745,6 +745,7 @@ static void set_sym_in_dict(PyObject *dict, struct addr_location *al,
static PyObject *get_perf_sample_dict(struct perf_sample *sample,
struct evsel *evsel,
struct addr_location *al,
struct addr_location *addr_al,
PyObject *callchain)
{
PyObject *dict, *dict_sample, *brstack, *brstacksym;
@ -798,6 +799,12 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample,
brstacksym = python_process_brstacksym(sample, al->thread);
pydict_set_item_string_decref(dict, "brstacksym", brstacksym);
if (addr_al) {
pydict_set_item_string_decref(dict_sample, "addr_correlates_sym",
PyBool_FromLong(1));
set_sym_in_dict(dict_sample, addr_al, "addr_dso", "addr_symbol", "addr_symoff");
}
set_regs_in_dict(dict, sample, evsel);
return dict;
@ -805,7 +812,8 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample,
static void python_process_tracepoint(struct perf_sample *sample,
struct evsel *evsel,
struct addr_location *al)
struct addr_location *al,
struct addr_location *addr_al)
{
struct tep_event *event = evsel->tp_format;
PyObject *handler, *context, *t, *obj = NULL, *callchain;
@ -915,7 +923,7 @@ static void python_process_tracepoint(struct perf_sample *sample,
PyTuple_SetItem(t, n++, dict);
if (get_argument_count(handler) == (int) n + 1) {
all_entries_dict = get_perf_sample_dict(sample, evsel, al,
all_entries_dict = get_perf_sample_dict(sample, evsel, al, addr_al,
callchain);
PyTuple_SetItem(t, n++, all_entries_dict);
} else {
@ -1306,7 +1314,8 @@ static int python_process_call_return(struct call_return *cr, u64 *parent_db_id,
static void python_process_general_event(struct perf_sample *sample,
struct evsel *evsel,
struct addr_location *al)
struct addr_location *al,
struct addr_location *addr_al)
{
PyObject *handler, *t, *dict, *callchain;
static char handler_name[64];
@ -1328,7 +1337,7 @@ static void python_process_general_event(struct perf_sample *sample,
/* ip unwinding */
callchain = python_process_callchain(sample, evsel, al);
dict = get_perf_sample_dict(sample, evsel, al, callchain);
dict = get_perf_sample_dict(sample, evsel, al, addr_al, callchain);
PyTuple_SetItem(t, n++, dict);
if (_PyTuple_Resize(&t, n) == -1)
@ -1342,20 +1351,21 @@ static void python_process_general_event(struct perf_sample *sample,
static void python_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)
{
struct tables *tables = &tables_global;
switch (evsel->core.attr.type) {
case PERF_TYPE_TRACEPOINT:
python_process_tracepoint(sample, evsel, al);
python_process_tracepoint(sample, evsel, al, addr_al);
break;
/* Reserve for future process_hw/sw/raw APIs */
default:
if (tables->db_export_mode)
db_export__sample(&tables->dbe, event, sample, evsel, al);
db_export__sample(&tables->dbe, event, sample, evsel, al, addr_al);
else
python_process_general_event(sample, evsel, al);
python_process_general_event(sample, evsel, al, addr_al);
}
}

3
tools/perf/util/trace-event-scripting.c
View File

@ -29,7 +29,8 @@ static int stop_script_unsupported(void)
static void process_event_unsupported(union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
struct evsel *evsel __maybe_unused,
struct addr_location *al __maybe_unused)
struct addr_location *al __maybe_unused,
struct addr_location *addr_al __maybe_unused)
{
}

3
tools/perf/util/trace-event.h
View File

@ -78,7 +78,8 @@ struct scripting_ops {
void (*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);
void (*process_switch)(union perf_event *event,
struct perf_sample *sample,
struct machine *machine);