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-rw-r--r--tools/perf/builtin-script.c73
1 files changed, 68 insertions, 5 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 24809787369f..4430340292c0 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -623,6 +623,7 @@ struct perf_script {
struct perf_session *session;
bool show_task_events;
bool show_mmap_events;
+ bool show_switch_events;
};
static int process_attr(struct perf_tool *tool, union perf_event *event,
@@ -661,7 +662,7 @@ static int process_comm_event(struct perf_tool *tool,
struct thread *thread;
struct perf_script *script = container_of(tool, struct perf_script, tool);
struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+ struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
int ret = -1;
thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
@@ -695,7 +696,7 @@ static int process_fork_event(struct perf_tool *tool,
struct thread *thread;
struct perf_script *script = container_of(tool, struct perf_script, tool);
struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+ struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
if (perf_event__process_fork(tool, event, sample, machine) < 0)
return -1;
@@ -727,7 +728,7 @@ static int process_exit_event(struct perf_tool *tool,
struct thread *thread;
struct perf_script *script = container_of(tool, struct perf_script, tool);
struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+ struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
if (thread == NULL) {
@@ -759,7 +760,7 @@ static int process_mmap_event(struct perf_tool *tool,
struct thread *thread;
struct perf_script *script = container_of(tool, struct perf_script, tool);
struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+ struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
if (perf_event__process_mmap(tool, event, sample, machine) < 0)
return -1;
@@ -790,7 +791,7 @@ static int process_mmap2_event(struct perf_tool *tool,
struct thread *thread;
struct perf_script *script = container_of(tool, struct perf_script, tool);
struct perf_session *session = script->session;
- struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+ struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
return -1;
@@ -813,6 +814,32 @@ static int process_mmap2_event(struct perf_tool *tool,
return 0;
}
+static int process_switch_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+
+ if (perf_event__process_switch(tool, event, sample, machine) < 0)
+ return -1;
+
+ thread = machine__findnew_thread(machine, sample->pid,
+ sample->tid);
+ if (thread == NULL) {
+ pr_debug("problem processing SWITCH event, skipping it.\n");
+ return -1;
+ }
+
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+ thread__put(thread);
+ return 0;
+}
+
static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
@@ -834,6 +861,8 @@ static int __cmd_script(struct perf_script *script)
script->tool.mmap = process_mmap_event;
script->tool.mmap2 = process_mmap2_event;
}
+ if (script->show_switch_events)
+ script->tool.context_switch = process_switch_event;
ret = perf_session__process_events(script->session);
@@ -1532,6 +1561,22 @@ static int have_cmd(int argc, const char **argv)
return 0;
}
+static void script__setup_sample_type(struct perf_script *script)
+{
+ struct perf_session *session = script->session;
+ u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
+
+ if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
+ if ((sample_type & PERF_SAMPLE_REGS_USER) &&
+ (sample_type & PERF_SAMPLE_STACK_USER))
+ callchain_param.record_mode = CALLCHAIN_DWARF;
+ else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
+ callchain_param.record_mode = CALLCHAIN_LBR;
+ else
+ callchain_param.record_mode = CALLCHAIN_FP;
+ }
+}
+
int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
{
bool show_full_info = false;
@@ -1618,10 +1663,19 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
"Show the fork/comm/exit events"),
OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
"Show the mmap events"),
+ OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
+ "Show context switch events (if recorded)"),
OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
"Instruction Tracing options",
itrace_parse_synth_opts),
+ OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
+ "Show full source file name path for source lines"),
+ OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
+ "Enable symbol demangling"),
+ OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
+ "Enable kernel symbol demangling"),
+
OPT_END()
};
const char * const script_subcommands[] = { "record", "report", NULL };
@@ -1816,6 +1870,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
goto out_delete;
script.session = session;
+ script__setup_sample_type(&script);
session->itrace_synth_opts = &itrace_synth_opts;
@@ -1830,6 +1885,14 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
else
symbol_conf.use_callchain = false;
+ if (session->tevent.pevent &&
+ pevent_set_function_resolver(session->tevent.pevent,
+ machine__resolve_kernel_addr,
+ &session->machines.host) < 0) {
+ pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
+ return -1;
+ }
+
if (generate_script_lang) {
struct stat perf_stat;
int input;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.