diff options
Diffstat (limited to 'tools/perf/util/pmu.c')
| -rw-r--r-- | tools/perf/util/pmu.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index b615cdf211d6..c548ec89c8bc 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -542,7 +542,7 @@ struct perf_pmu *perf_pmu__find(const char *name) } static struct perf_pmu_format * -pmu_find_format(struct list_head *formats, char *name) +pmu_find_format(struct list_head *formats, const char *name) { struct perf_pmu_format *format; @@ -553,6 +553,21 @@ pmu_find_format(struct list_head *formats, char *name) return NULL; } +__u64 perf_pmu__format_bits(struct list_head *formats, const char *name) +{ + struct perf_pmu_format *format = pmu_find_format(formats, name); + __u64 bits = 0; + int fbit; + + if (!format) + return 0; + + for_each_set_bit(fbit, format->bits, PERF_PMU_FORMAT_BITS) + bits |= 1ULL << fbit; + + return bits; +} + /* * Sets value based on the format definition (format parameter) * and unformated value (value parameter). |