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perf_counter: tools: report: Add comm sorting 

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: John Kacur <jkacur@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20090527182101.129302022@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2009-05-27 20:20:27 +02:00 committed by Ingo Molnar
parent 37f440cba2
commit 992444b173
1 changed files with 30 additions and 0 deletions
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30
Documentation/perf_counter/builtin-report.c
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@ -731,6 +731,35 @@ static struct sort_entry sort_thread = {
.print = sort__thread_print,
};
static int64_t
sort__comm_cmp(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;
}
return strcmp(comm_l, comm_r);
}
static size_t
sort__comm_print(FILE *fp, struct hist_entry *self)
{
return fprintf(fp, "%20s ", self->thread->comm ?: "<unknown>");
}
static struct sort_entry sort_comm = {
.cmp = sort__comm_cmp,
.print = sort__comm_print,
};
static int64_t
sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
{
@ -779,6 +808,7 @@ struct sort_dimension {
static struct sort_dimension sort_dimensions[] = {
{ .name = "pid", .entry = &sort_thread, },
{ .name = "comm", .entry = &sort_comm, },
{ .name = "symbol", .entry = &sort_sym, },
};