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perf probe: Add glob matching support on --del

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Add glob-expression matching support on --del option.
You can use wildcards for specifying deleting events.
e.g.

 Clear all probe events:

 # perf probe --del '*'

 Clear probes on schedule():

 # perf probe --del 'schedule*'

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20091215153210.17436.12327.stgit@dhcp-100-2-132.bos.redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Masami Hiramatsu 2009-12-15 10:32:10 -05:00 • committed by Ingo Molnar
parent adf365f486
commit bbbb521bc6
3 changed files with 66 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

25
tools/perf/util/string.c
View file

@ -226,3 +226,28 @@ fail:
argv_free(argv);
return NULL;
}
/* Glob expression pattern matching */
bool strglobmatch(const char *str, const char *pat)
{
while (*str && *pat && *pat != '*') {
if (*pat == '?') {
str++;
pat++;
} else
if (*str++ != *pat++)
return false;
}
/* Check wild card */
if (*pat == '*') {
while (*pat == '*')
pat++;
if (!*pat) /* Tail wild card matches all */
return true;
while (*str)
if (strglobmatch(str++, pat))
return true;
}
return !*str && !*pat;
}