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-rw-r--r--tools/perf/builtin-script.c74
-rw-r--r--tools/perf/util/event.h3
2 files changed, 61 insertions, 16 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 4bce7d8679cb..2999e7e425f6 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -119,6 +119,11 @@ struct output_option {
{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
};
+enum {
+ OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
+ OUTPUT_TYPE_MAX
+};
+
/* default set to maintain compatibility with current format */
static struct {
bool user_set;
@@ -126,7 +131,7 @@ static struct {
unsigned int print_ip_opts;
u64 fields;
u64 invalid_fields;
-} output[PERF_TYPE_MAX] = {
+} output[OUTPUT_TYPE_MAX] = {
[PERF_TYPE_HARDWARE] = {
.user_set = false,
@@ -184,12 +189,43 @@ static struct {
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
},
+
+ [OUTPUT_TYPE_SYNTH] = {
+ .user_set = false,
+
+ .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+ PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+ PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+ PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
+
+ .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
+ },
};
+static inline int output_type(unsigned int type)
+{
+ switch (type) {
+ case PERF_TYPE_SYNTH:
+ return OUTPUT_TYPE_SYNTH;
+ default:
+ return type;
+ }
+}
+
+static inline unsigned int attr_type(unsigned int type)
+{
+ switch (type) {
+ case OUTPUT_TYPE_SYNTH:
+ return PERF_TYPE_SYNTH;
+ default:
+ return type;
+ }
+}
+
static bool output_set_by_user(void)
{
int j;
- for (j = 0; j < PERF_TYPE_MAX; ++j) {
+ for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
if (output[j].user_set)
return true;
}
@@ -210,7 +246,7 @@ static const char *output_field2str(enum perf_output_field field)
return str;
}
-#define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x)
+#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
u64 sample_type, const char *sample_msg,
@@ -218,7 +254,7 @@ static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
bool allow_user_set)
{
struct perf_event_attr *attr = &evsel->attr;
- int type = attr->type;
+ int type = output_type(attr->type);
const char *evname;
if (attr->sample_type & sample_type)
@@ -348,7 +384,7 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
static void set_print_ip_opts(struct perf_event_attr *attr)
{
- unsigned int type = attr->type;
+ unsigned int type = output_type(attr->type);
output[type].print_ip_opts = 0;
if (PRINT_FIELD(IP))
@@ -376,14 +412,15 @@ static int perf_session__check_output_opt(struct perf_session *session)
unsigned int j;
struct perf_evsel *evsel;
- for (j = 0; j < PERF_TYPE_MAX; ++j) {
- evsel = perf_session__find_first_evtype(session, j);
+ for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
+ evsel = perf_session__find_first_evtype(session, attr_type(j));
/*
* even if fields is set to 0 (ie., show nothing) event must
* exist if user explicitly includes it on the command line
*/
- if (!evsel && output[j].user_set && !output[j].wildcard_set) {
+ if (!evsel && output[j].user_set && !output[j].wildcard_set &&
+ j != OUTPUT_TYPE_SYNTH) {
pr_err("%s events do not exist. "
"Remove corresponding -F option to proceed.\n",
event_type(j));
@@ -989,6 +1026,7 @@ static void print_sample_bts(struct perf_sample *sample,
struct machine *machine)
{
struct perf_event_attr *attr = &evsel->attr;
+ unsigned int type = output_type(attr->type);
bool print_srcline_last = false;
if (PRINT_FIELD(CALLINDENT))
@@ -996,7 +1034,7 @@ static void print_sample_bts(struct perf_sample *sample,
/* print branch_from information */
if (PRINT_FIELD(IP)) {
- unsigned int print_opts = output[attr->type].print_ip_opts;
+ unsigned int print_opts = output[type].print_ip_opts;
struct callchain_cursor *cursor = NULL;
if (symbol_conf.use_callchain && sample->callchain &&
@@ -1019,7 +1057,7 @@ static void print_sample_bts(struct perf_sample *sample,
/* print branch_to information */
if (PRINT_FIELD(ADDR) ||
((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
- !output[attr->type].user_set)) {
+ !output[type].user_set)) {
printf(" => ");
print_sample_addr(sample, thread, attr);
}
@@ -1215,8 +1253,9 @@ static void process_event(struct perf_script *script,
{
struct thread *thread = al->thread;
struct perf_event_attr *attr = &evsel->attr;
+ unsigned int type = output_type(attr->type);
- if (output[attr->type].fields == 0)
+ if (output[type].fields == 0)
return;
print_sample_start(sample, thread, evsel);
@@ -1263,7 +1302,7 @@ static void process_event(struct perf_script *script,
cursor = &callchain_cursor;
putchar(cursor ? '\n' : ' ');
- sample__fprintf_sym(sample, al, 0, output[attr->type].print_ip_opts, cursor, stdout);
+ sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, stdout);
}
if (PRINT_FIELD(IREGS))
@@ -1410,7 +1449,8 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
evlist = *pevlist;
evsel = perf_evlist__last(*pevlist);
- if (evsel->attr.type >= PERF_TYPE_MAX)
+ if (evsel->attr.type >= PERF_TYPE_MAX &&
+ evsel->attr.type != PERF_TYPE_SYNTH)
return 0;
evlist__for_each_entry(evlist, pos) {
@@ -1835,6 +1875,8 @@ static int parse_output_fields(const struct option *opt __maybe_unused,
type = PERF_TYPE_RAW;
else if (!strcmp(str, "break"))
type = PERF_TYPE_BREAKPOINT;
+ else if (!strcmp(str, "synth"))
+ type = OUTPUT_TYPE_SYNTH;
else {
fprintf(stderr, "Invalid event type in field string.\n");
rc = -EINVAL;
@@ -1865,7 +1907,7 @@ static int parse_output_fields(const struct option *opt __maybe_unused,
if (output_set_by_user())
pr_warning("Overriding previous field request for all events.\n");
- for (j = 0; j < PERF_TYPE_MAX; ++j) {
+ for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
output[j].fields = 0;
output[j].user_set = true;
output[j].wildcard_set = true;
@@ -1908,7 +1950,7 @@ parse:
/* add user option to all events types for
* which it is valid
*/
- for (j = 0; j < PERF_TYPE_MAX; ++j) {
+ for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
if (output[j].invalid_fields & all_output_options[i].field) {
pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
all_output_options[i].str, event_type(j));
@@ -2560,7 +2602,7 @@ int cmd_script(int argc, const char **argv)
OPT_CALLBACK('F', "fields", NULL, "str",
"comma separated output fields prepend with 'type:'. "
"+field to add and -field to remove."
- "Valid types: hw,sw,trace,raw. "
+ "Valid types: hw,sw,trace,raw,synth. "
"Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
"addr,symoff,period,iregs,brstack,brstacksym,flags,"
"bpf-output,callindent,insn,insnlen,brstackinsn",
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 7c3fa1c8cbcd..855733c2adcf 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -252,6 +252,9 @@ enum auxtrace_error_type {
PERF_AUXTRACE_ERROR_MAX
};
+/* Attribute type for custom synthesized events */
+#define PERF_TYPE_SYNTH (INT_MAX + 1U)
+
/*
* The kernel collects the number of events it couldn't send in a stretch and
* when possible sends this number in a PERF_RECORD_LOST event. The number of
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 10:20:34 +0000