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perf tools: Allow sort dimensions to be registered more than once

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So that the parent sort dimension can be registered twice: once
if we add it as an explicit sort dimension (-s parent) and twice
if we request a parent filter (-p foo).

We'll have only one parent sort dimension in the end but this
allows to override the default parent filter with we gave in "-p"
option. The goal of this is to prepare to allow the use of
"-s parent" and "-p foo" at the same time, ie: sort by filtered
parent.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Sam Liao <phyomh@gmail.com>
This commit is contained in:
Frederic Weisbecker 2011-06-29 23:08:14 +02:00
parent e84d21227c
commit fd8ea21276
1 changed files with 6 additions and 6 deletions
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12
tools/perf/util/sort.c
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@ -260,15 +260,9 @@ int sort_dimension__add(const char *tok)
for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
struct sort_dimension *sd = &sort_dimensions[i];
if (sd->taken)
continue;
if (strncasecmp(tok, sd->name, strlen(tok)))
continue;
if (sd->entry->se_collapse)
sort__need_collapse = 1;
if (sd->entry == &sort_parent) {
int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
if (ret) {
@ -281,6 +275,12 @@ int sort_dimension__add(const char *tok)
sort__has_parent = 1;
}
if (sd->taken)
return 0;
if (sd->entry->se_collapse)
sort__need_collapse = 1;
if (list_empty(&hist_entry__sort_list)) {
if (!strcmp(sd->name, "pid"))
sort__first_dimension = SORT_PID;