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-rw-r--r--tools/perf/builtin-list.c67
1 files changed, 44 insertions, 23 deletions
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 02bf608d585e..fed482adb039 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -19,9 +19,11 @@
#include "util/string2.h"
#include "util/strlist.h"
#include "util/strbuf.h"
+#include "util/tool_pmu.h"
#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
#include <linux/zalloc.h>
+#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
@@ -76,30 +78,42 @@ static void default_print_start(void *ps)
static void default_print_end(void *print_state __maybe_unused) {}
+static const char *skip_spaces_or_commas(const char *str)
+{
+ while (isspace(*str) || *str == ',')
+ ++str;
+ return str;
+}
+
static void wordwrap(FILE *fp, const char *s, int start, int max, int corr)
{
int column = start;
int n;
bool saw_newline = false;
+ bool comma = false;
while (*s) {
- int wlen = strcspn(s, " \t\n");
+ int wlen = strcspn(s, " ,\t\n");
+ const char *sep = comma ? "," : " ";
if ((column + wlen >= max && column > start) || saw_newline) {
- fprintf(fp, "\n%*s", start, "");
+ fprintf(fp, comma ? ",\n%*s" : "\n%*s", start, "");
column = start + corr;
}
- n = fprintf(fp, "%s%.*s", column > start ? " " : "", wlen, s);
+ if (column <= start)
+ sep = "";
+ n = fprintf(fp, "%s%.*s", sep, wlen, s);
if (n <= 0)
break;
saw_newline = s[wlen] == '\n';
s += wlen;
+ comma = s[0] == ',';
column += n;
- s = skip_spaces(s);
+ s = skip_spaces_or_commas(s);
}
}
-static void default_print_event(void *ps, const char *pmu_name, const char *topic,
+static void default_print_event(void *ps, const char *topic, const char *pmu_name,
const char *event_name, const char *event_alias,
const char *scale_unit __maybe_unused,
bool deprecated, const char *event_type_desc,
@@ -149,14 +163,17 @@ static void default_print_event(void *ps, const char *pmu_name, const char *topi
} else
fputc('\n', fp);
- if (desc && print_state->desc) {
+ if (long_desc && print_state->long_desc)
+ desc = long_desc;
+
+ if (desc && (print_state->desc || print_state->long_desc)) {
char *desc_with_unit = NULL;
int desc_len = -1;
if (pmu_name && strcmp(pmu_name, "default_core")) {
desc_len = strlen(desc);
desc_len = asprintf(&desc_with_unit,
- desc[desc_len - 1] != '.'
+ desc_len > 0 && desc[desc_len - 1] != '.'
? "%s. Unit: %s" : "%s Unit: %s",
desc, pmu_name);
}
@@ -165,12 +182,6 @@ static void default_print_event(void *ps, const char *pmu_name, const char *topi
fprintf(fp, "]\n");
free(desc_with_unit);
}
- long_desc = long_desc ?: desc;
- if (long_desc && print_state->long_desc) {
- fprintf(fp, "%*s", 8, "[");
- wordwrap(fp, long_desc, 8, pager_get_columns(), 0);
- fprintf(fp, "]\n");
- }
if (print_state->detailed && encoding_desc) {
fprintf(fp, "%*s", 8, "");
@@ -243,15 +254,14 @@ static void default_print_metric(void *ps,
}
fprintf(fp, " %s\n", name);
- if (desc && print_state->desc) {
- fprintf(fp, "%*s", 8, "[");
- wordwrap(fp, desc, 8, pager_get_columns(), 0);
- fprintf(fp, "]\n");
- }
if (long_desc && print_state->long_desc) {
fprintf(fp, "%*s", 8, "[");
wordwrap(fp, long_desc, 8, pager_get_columns(), 0);
fprintf(fp, "]\n");
+ } else if (desc && print_state->desc) {
+ fprintf(fp, "%*s", 8, "[");
+ wordwrap(fp, desc, 8, pager_get_columns(), 0);
+ fprintf(fp, "]\n");
}
if (expr && print_state->detailed) {
fprintf(fp, "%*s", 8, "[");
@@ -313,6 +323,9 @@ static void fix_escape_fprintf(FILE *fp, struct strbuf *buf, const char *fmt, ..
case '\n':
strbuf_addstr(buf, "\\n");
break;
+ case '\r':
+ strbuf_addstr(buf, "\\r");
+ break;
case '\\':
fallthrough;
case '\"':
@@ -340,7 +353,7 @@ static void fix_escape_fprintf(FILE *fp, struct strbuf *buf, const char *fmt, ..
fputs(buf->buf, fp);
}
-static void json_print_event(void *ps, const char *pmu_name, const char *topic,
+static void json_print_event(void *ps, const char *topic, const char *pmu_name,
const char *event_name, const char *event_alias,
const char *scale_unit,
bool deprecated, const char *event_type_desc,
@@ -491,6 +504,7 @@ int cmd_list(int argc, const char **argv)
int i, ret = 0;
struct print_state default_ps = {
.fp = stdout,
+ .desc = true,
};
struct print_state json_ps = {
.fp = stdout,
@@ -513,7 +527,7 @@ int cmd_list(int argc, const char **argv)
OPT_BOOLEAN('d', "desc", &default_ps.desc,
"Print extra event descriptions. --no-desc to not print."),
OPT_BOOLEAN('v', "long-desc", &default_ps.long_desc,
- "Print longer event descriptions."),
+ "Print longer event descriptions and all similar PMUs with alphanumeric suffixes."),
OPT_BOOLEAN(0, "details", &default_ps.detailed,
"Print information on the perf event names and expressions used internally by events."),
OPT_STRING('o', "output", &output_path, "file", "output file name"),
@@ -563,7 +577,6 @@ int cmd_list(int argc, const char **argv)
};
ps = &json_ps;
} else {
- default_ps.desc = !default_ps.long_desc;
default_ps.last_topic = strdup("");
assert(default_ps.last_topic);
default_ps.visited_metrics = strlist__new(NULL, NULL);
@@ -601,9 +614,18 @@ int cmd_list(int argc, const char **argv)
event_symbols_hw, PERF_COUNT_HW_MAX);
else if (strcmp(argv[i], "sw") == 0 ||
strcmp(argv[i], "software") == 0) {
+ char *old_pmu_glob = default_ps.pmu_glob;
+
print_symbol_events(&print_cb, ps, PERF_TYPE_SOFTWARE,
event_symbols_sw, PERF_COUNT_SW_MAX);
- print_tool_events(&print_cb, ps);
+ default_ps.pmu_glob = strdup("tool");
+ if (!default_ps.pmu_glob) {
+ ret = -1;
+ goto out;
+ }
+ perf_pmus__print_pmu_events(&print_cb, ps);
+ zfree(&default_ps.pmu_glob);
+ default_ps.pmu_glob = old_pmu_glob;
} else if (strcmp(argv[i], "cache") == 0 ||
strcmp(argv[i], "hwcache") == 0)
print_hwcache_events(&print_cb, ps);
@@ -651,7 +673,6 @@ int cmd_list(int argc, const char **argv)
event_symbols_hw, PERF_COUNT_HW_MAX);
print_symbol_events(&print_cb, ps, PERF_TYPE_SOFTWARE,
event_symbols_sw, PERF_COUNT_SW_MAX);
- print_tool_events(&print_cb, ps);
print_hwcache_events(&print_cb, ps);
perf_pmus__print_pmu_events(&print_cb, ps);
print_tracepoint_events(&print_cb, ps);
generated by cgit (git 2.34.1) at 2025-07-23 20:20:21 +0000