diff options
| author | John Kacur <jkacur@redhat.com> | 2009-09-24 18:01:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-24 21:27:50 +0200 |
| commit | cbfeb267cb0ff632dbc8ff02685012bee2e87434 (patch) | |
| tree | 24662435a423aa20aa4ac5468140b547f8afdd92 /tools/perf | |
| parent | 725b13685c61168f71825b3fb67d96d2d7aa3b0f (diff) | |
perf annotate: Add the cmp_null function and make use of it
This function exists in builtin-report.c but not in
builtin-annotate.c Functions that use cmp_null are shorter and
clearer.
Synchronizing functions between these two files will also make it
easier to potential share code in the future.
Signed-off-by: John Kacur <jkacur@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <alpine.LFD.2.00.0909241754031.11383@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-annotate.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 1ec74161581..a33087328bd 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -82,6 +82,16 @@ struct sort_entry { size_t (*print)(FILE *fp, struct hist_entry *); }; +static int64_t cmp_null(void *l, void *r) +{ + if (!l && !r) + return 0; + else if (!l) + return -1; + else + return 1; +} + /* --sort pid */ static int64_t @@ -116,14 +126,8 @@ sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) char *comm_l = left->thread->comm; char *comm_r = right->thread->comm; - if (!comm_l || !comm_r) { - if (!comm_l && !comm_r) - return 0; - else if (!comm_l) - return -1; - else - return 1; - } + if (!comm_l || !comm_r) + return cmp_null(comm_l, comm_r); return strcmp(comm_l, comm_r); } @@ -149,14 +153,8 @@ sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) struct dso *dso_l = left->dso; struct dso *dso_r = right->dso; - if (!dso_l || !dso_r) { - if (!dso_l && !dso_r) - return 0; - else if (!dso_l) - return -1; - else - return 1; - } + if (!dso_l || !dso_r) + return cmp_null(dso_l, dso_r); return strcmp(dso_l->name, dso_r->name); } |