diff options
Diffstat (limited to 'tools/perf/builtin-kmem.c')
| -rw-r--r-- | tools/perf/builtin-kmem.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index f315b052f81..4145049e7bf 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -443,6 +443,15 @@ static int callsite_cmp(struct alloc_stat *l, struct alloc_stat *r) return 0; } +static int hit_cmp(struct alloc_stat *l, struct alloc_stat *r) +{ + if (l->hit < r->hit) + return -1; + else if (l->hit > r->hit) + return 1; + return 0; +} + static int bytes_cmp(struct alloc_stat *l, struct alloc_stat *r) { if (l->bytes_alloc < r->bytes_alloc) @@ -452,6 +461,20 @@ static int bytes_cmp(struct alloc_stat *l, struct alloc_stat *r) return 0; } +static int frag_cmp(struct alloc_stat *l, struct alloc_stat *r) +{ + double x, y; + + x = fragmentation(l->bytes_req, l->bytes_alloc); + y = fragmentation(r->bytes_req, r->bytes_alloc); + + if (x < y) + return -1; + else if (x > y) + return 1; + return 0; +} + static int parse_sort_opt(const struct option *opt __used, const char *arg, int unset __used) { @@ -464,8 +487,12 @@ static int parse_sort_opt(const struct option *opt __used, sort_fn = ptr_cmp; else if (strcmp(arg, "call_site") == 0) sort_fn = callsite_cmp; + else if (strcmp(arg, "hit") == 0) + sort_fn = hit_cmp; else if (strcmp(arg, "bytes") == 0) sort_fn = bytes_cmp; + else if (strcmp(arg, "frag") == 0) + sort_fn = frag_cmp; else return -1; @@ -517,7 +544,7 @@ static const struct option kmem_options[] = { "stat selector, Pass 'alloc' or 'caller'.", parse_stat_opt), OPT_CALLBACK('s', "sort", NULL, "key", - "sort by key: ptr, call_site, hit, bytes", + "sort by key: ptr, call_site, hit, bytes, frag", parse_sort_opt), OPT_CALLBACK('l', "line", NULL, "num", "show n lins", |