Commit c80c3c26 authored Jul 20, 2012 by David Ahern Committed by Arnaldo Carvalho de Melo Jul 25, 2012

perf kvm: Limit repetitive guestmount message to once per directory



After 7ed97ad4 use of the guestmount option without a subdir for *each*
VM generates an error message for each sample related to that VM. Once
per VM is enough.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1342826756-64663-7-git-send-email-dsahern@gmail.com


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent adb5d2a4

tools/perf/util/map.c

+10 −1

Original line number	Diff line number	Diff line
		@@ -8,6 +8,7 @@
		#include <unistd.h>
		#include "map.h"
		#include "thread.h"
		#include "strlist.h"

		const char *map_type__name[MAP__NR_TYPES] = {
		[MAP__FUNCTION] = "Functions",
		@@ -695,7 +696,15 @@ struct machine machines__findnew(struct rb_root self, pid_t pid)
		(symbol_conf.guestmount)) {
		sprintf(path, "%s/%d", symbol_conf.guestmount, pid);
		if (access(path, R_OK)) {
		static struct strlist *seen;

		if (!seen)
		seen = strlist__new(true, NULL);

		if (!strlist__has_entry(seen, path)) {
		pr_err("Can't access file %s\n", path);
		strlist__add(seen, path);
		}
		machine = NULL;
		goto out;
		}

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