From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org,
Adrian Hunter <adrian.hunter@intel.com>,
Jiri Olsa <jolsa@redhat.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 05/10] perf callchain: Allow for max_stack greater than PERF_MAX_STACK_DEPTH
Date: Fri, 2 Oct 2015 17:25:40 -0300 [thread overview]
Message-ID: <1443817545-8551-6-git-send-email-acme@kernel.org> (raw)
In-Reply-To: <1443817545-8551-1-git-send-email-acme@kernel.org>
From: Adrian Hunter <adrian.hunter@intel.com>
Adjust the validation to allow for max_stack greater than
PERF_MAX_STACK_DEPTH.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1443186956-18718-18-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/machine.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 76fe167c359e..5ef90be2a249 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1831,7 +1831,7 @@ static int thread__resolve_callchain_sample(struct thread *thread,
}
check_calls:
- if (chain->nr > PERF_MAX_STACK_DEPTH) {
+ if (chain->nr > PERF_MAX_STACK_DEPTH && (int)chain->nr > max_stack) {
pr_warning("corrupted callchain. skipping...\n");
return 0;
}
--
2.1.0
next prev parent reply other threads:[~2015-10-02 20:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-02 20:25 [GIT PULL 00/10] perf/cover improvements and fixes Arnaldo Carvalho de Melo
2015-10-02 20:25 ` [PATCH 01/10] perf record: Allocate area for sample_id_hdr in a synthesized comm event Arnaldo Carvalho de Melo
2015-10-02 20:25 ` [PATCH 02/10] perf top: Fix unresolved comm when -s comm is used Arnaldo Carvalho de Melo
2015-10-02 20:25 ` [PATCH 03/10] perf top: Register idle thread Arnaldo Carvalho de Melo
2015-10-02 20:25 ` [PATCH 04/10] perf report: Fix a bug on "--call-graph none" option Arnaldo Carvalho de Melo
2015-10-02 20:25 ` Arnaldo Carvalho de Melo [this message]
2015-10-02 20:25 ` [PATCH 06/10] perf list: Do event name substring search as last resort when no events found Arnaldo Carvalho de Melo
2015-10-02 20:25 ` [PATCH 07/10] perf list: Honour 'event_glob' whem printing selectable PMUs Arnaldo Carvalho de Melo
2015-10-02 20:25 ` [PATCH 08/10] perf probe: Allow probing on kmodules without dwarf Arnaldo Carvalho de Melo
2015-10-02 20:25 ` [PATCH 09/10] perf record: Change 'record.samples' type to unsigned long long Arnaldo Carvalho de Melo
2015-10-02 20:25 ` [PATCH 10/10] perf stat: Reduce min --interval-print to 10ms Arnaldo Carvalho de Melo
2015-10-03 6:32 ` [GIT PULL 00/10] perf/cover improvements and fixes Ingo Molnar
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