Commit-ID: c79a439338f3a021f5a5ff6ea165b0d19d2eb0aa
Gitweb: http://git.kernel.org/tip/c79a439338f3a021f5a5ff6ea165b0d19d2eb0aa
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 11 Dec 2012 10:54:12 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 11 Dec 2012 17:21:02 -0300
perf evsel: Decode read_format and sample_type in perf_evsel__fprintf
Before those fields showed just a number, now it decodes each bit:
[root@sandy linux]# perf evlist -v
cycles: sample_freq=4000, size: 96, sample_type: IP|TID|TIME|CPU|PERIOD, read_format: TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING|ID, disabled: 1, inherit: 1, mmap: 1, comm: 1, freq: 1, sample_id_all: 1, exclude_guest: 1
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-64ezdtiijolgti08ae3phxyj@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/evsel.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 50 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 643df4b..7a2a3dc 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1257,6 +1257,53 @@ static int __if_fprintf(FILE *fp, bool *first, const char *field, u64 value)
#define if_print(field) printed += __if_fprintf(fp, &first, #field, evsel->attr.field)
+struct bit_names {
+ int bit;
+ const char *name;
+};
+
+static int bits__fprintf(FILE *fp, const char *field, u64 value,
+ struct bit_names *bits, bool *first)
+{
+ int i = 0, printed = comma_fprintf(fp, first, " %s: ", field);
+ bool first_bit = true;
+
+ do {
+ if (value & bits[i].bit) {
+ printed += fprintf(fp, "%s%s", first_bit ? "" : "|", bits[i].name);
+ first_bit = false;
+ }
+ } while (bits[++i].name != NULL);
+
+ return printed;
+}
+
+static int sample_type__fprintf(FILE *fp, bool *first, u64 value)
+{
+#define bit_name(n) { PERF_SAMPLE_##n, #n }
+ struct bit_names bits[] = {
+ bit_name(IP), bit_name(TID), bit_name(TIME), bit_name(ADDR),
+ bit_name(READ), bit_name(CALLCHAIN), bit_name(ID), bit_name(CPU),
+ bit_name(PERIOD), bit_name(STREAM_ID), bit_name(RAW),
+ bit_name(BRANCH_STACK), bit_name(REGS_USER), bit_name(STACK_USER),
+ { .name = NULL, }
+ };
+#undef bit_name
+ return bits__fprintf(fp, "sample_type", value, bits, first);
+}
+
+static int read_format__fprintf(FILE *fp, bool *first, u64 value)
+{
+#define bit_name(n) { PERF_FORMAT_##n, #n }
+ struct bit_names bits[] = {
+ bit_name(TOTAL_TIME_ENABLED), bit_name(TOTAL_TIME_RUNNING),
+ bit_name(ID), bit_name(GROUP),
+ { .name = NULL, }
+ };
+#undef bit_name
+ return bits__fprintf(fp, "read_format", value, bits, first);
+}
+
int perf_evsel__fprintf(struct perf_evsel *evsel,
struct perf_attr_details *details, FILE *fp)
{
@@ -1274,8 +1321,9 @@ int perf_evsel__fprintf(struct perf_evsel *evsel,
if_print(config1);
if_print(config2);
if_print(size);
- if_print(sample_type);
- if_print(read_format);
+ printed += sample_type__fprintf(fp, &first, evsel->attr.sample_type);
+ if (evsel->attr.read_format)
+ printed += read_format__fprintf(fp, &first, evsel->attr.read_format);
if_print(disabled);
if_print(inherit);
if_print(pinned);
--
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