From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Adrian Hunter <adrian.hunter@intel.com>,
David Ahern <dsahern@gmail.com>, Jiri Olsa <jolsa@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Wang Nan <wangnan0@huawei.com>
Subject: [PATCH 04/40] perf trace beauty mmap: Ignore 'fd' and 'offset' args for MAP_ANONYMOUS
Date: Wed, 26 Jul 2017 11:16:54 -0300 [thread overview]
Message-ID: <20170726141730.30750-5-acme@kernel.org> (raw)
In-Reply-To: <20170726141730.30750-1-acme@kernel.org>
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Just suppress them, not used by the kernel.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-atpt07y2x9a8ttlwja94ow3j@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/trace/beauty/mmap.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c
index af1cfde6b97b..754558f9009d 100644
--- a/tools/perf/trace/beauty/mmap.c
+++ b/tools/perf/trace/beauty/mmap.c
@@ -34,6 +34,9 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
{
int printed = 0, flags = arg->val;
+ if (flags & MAP_ANONYMOUS)
+ arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
+
#define P_MMAP_FLAG(n) \
if (flags & MAP_##n) { \
printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
--
2.9.4
next prev parent reply other threads:[~2017-07-26 14:34 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-26 14:16 [GIT PULL 00/40] perf/core improvements and fixes Arnaldo Carvalho de Melo
2017-07-26 14:16 ` [PATCH 01/40] perf intel-pt: Set no_aux_samples for the tracking event Arnaldo Carvalho de Melo
2017-07-26 14:16 ` [PATCH 02/40] perf intel-pt: Always set no branch for dummy event Arnaldo Carvalho de Melo
2017-07-26 14:16 ` [PATCH 03/40] perf trace: Add missing ' = ' in the default formatting of syscall returns Arnaldo Carvalho de Melo
2017-07-26 14:16 ` Arnaldo Carvalho de Melo [this message]
2017-07-26 14:16 ` [PATCH 05/40] perf trace: Allow allocating sc->arg_fmt even without the syscall tracepoint Arnaldo Carvalho de Melo
2017-07-26 14:16 ` [PATCH 06/40] perf trace: Use the syscall_fmt formatters without a tracepoint Arnaldo Carvalho de Melo
2017-07-26 14:16 ` [PATCH 07/40] perf trace: Ditch __syscall__arg_val() variant, not needed anymore Arnaldo Carvalho de Melo
2017-07-26 14:16 ` [PATCH 08/40] perf trace: Allow specifying number of syscall args for tracepointless syscalls Arnaldo Carvalho de Melo
2017-07-26 14:16 ` [PATCH 09/40] perf trace: Allow specifying names to syscall arguments formatters Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 10/40] tools include uapi: Grab a copy of linux/sched.h Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 11/40] perf trace beauty clone: Beautify syscall arguments Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 12/40] perf trace beauty clone: Suppress unused args according to 'flags' arg Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 13/40] perf trace: Introduce filter_loop_pids() Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 14/40] perf trace: Filter out 'sshd' in the tracer ancestry in syswide tracing Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 15/40] tools include: Adopt strstarts() from the kernel Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 16/40] tools lib: Update copy of strtobool from the kernel sources Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 17/40] perf annotate: Introduce struct sym_hist_entry Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 18/40] perf annotate: Rename 'sum' to 'nr_samples' in struct sym_hist Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 19/40] perf hists: Pass perf_sample to __symbol__inc_addr_samples() Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 20/40] perf annotate: Store the sample period in each histogram bucket Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 21/40] perf annotate: Do not overwrite sample->period Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 22/40] perf annotate stdio: Fix --show-total-period Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 23/40] perf report: Fix kernel symbol adjustment for s390x Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 24/40] perf cgroup: Fix refcount usage Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 25/40] perf tools: Add EXCLUDE_EXTLIBS and EXTRA_PERFLIBS to makefile Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 26/40] perf annotate: Process tracing data in pipe mode Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 27/40] perf jvmti: Fix linker error when libelf config is disabled Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 28/40] perf evsel: Add verbose output for sys_perf_event_open fallback Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 29/40] perf top: Support lookup of symbols in other mount namespaces Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 30/40] perf script: Remove some bogus error handling Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 31/40] perf script python: Allocate memory only if handler exists Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 32/40] perf script python: Refactor creation of perf sample dict Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 33/40] perf script python: Add sample_read to dict Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 34/40] perf script python: Add perf_sample dict to tracepoint handlers Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 35/40] perf script python: Generate hooks with additional argument Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 36/40] perf report: Make --branch-history work without callgraphs(-g) option in perf record Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 37/40] perf report: Tag branch type/flag on "to" and tag cycles on "from" Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 38/40] perf jevents: Make build fail on JSON parse error Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 39/40] perf annotate stdio: Fix column header when using --show-total-period Arnaldo Carvalho de Melo
2017-07-26 14:17 ` [PATCH 40/40] perf tools: Add tools/include/uapi/asm-generic/fcntl.h to the MANIFEST Arnaldo Carvalho de Melo
2017-07-26 17:10 ` [GIT PULL 00/40] perf/core improvements and fixes Ingo Molnar
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