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perf report: Improve sort key recognition

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- allow case-insensitive tokens - such as --sort Comm,Symbol
 - allow substring shortcuts: --sort sym
 - detect invalid tokens and bail out

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-06-03 10:07:39 +02:00
parent 3502973d00
commit 5352f35d6a
1 changed files with 17 additions and 12 deletions
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29
Documentation/perf_counter/builtin-report.c
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@ -453,28 +453,18 @@ static int sort_dimension__add(char *tok)
if (sd->taken)
continue;
if (strcmp(tok, sd->name))
if (strncasecmp(tok, sd->name, strlen(tok)))
continue;
list_add_tail(&sd->entry->list, &hist_entry__sort_list);
sd->taken = 1;
return 0;
}
return -ESRCH;
}
static void setup_sorting(void)
{
char *tmp, *tok, *str = strdup(sort_order);
for (tok = strtok_r(str, ", ", &tmp);
tok; tok = strtok_r(NULL, ", ", &tmp))
sort_dimension__add(tok);
free(str);
}
static int64_t
hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
{
@ -880,6 +870,21 @@ static const struct option options[] = {
OPT_END()
};
static void setup_sorting(void)
{
char *tmp, *tok, *str = strdup(sort_order);
for (tok = strtok_r(str, ", ", &tmp);
tok; tok = strtok_r(NULL, ", ", &tmp)) {
if (sort_dimension__add(tok) < 0) {
error("Unknown --sort key: `%s'", tok);
usage_with_options(report_usage, options);
}
}
free(str);
}
int cmd_report(int argc, const char **argv, const char *prefix)
{
symbol__init();