From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: "Clark Williams" <williams@redhat.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
"Arnaldo Carvalho de Melo" <acme@redhat.com>,
"Adrian Hunter" <adrian.hunter@intel.com>,
"Jiri Olsa" <jolsa@kernel.org>,
"Luis Cláudio Gonçalves" <lclaudio@redhat.com>,
"Namhyung Kim" <namhyung@kernel.org>,
"Wang Nan" <wangnan0@huawei.com>
Subject: [PATCH 55/63] perf trace: When showing string prefixes show prefix + ??? for unknown entries
Date: Tue, 18 Dec 2018 19:07:25 -0300 [thread overview]
Message-ID: <20181218220733.15839-56-acme@kernel.org> (raw)
In-Reply-To: <20181218220733.15839-1-acme@kernel.org>
From: Arnaldo Carvalho de Melo <acme@redhat.com>
To match 'strace' output, like in:
arch_prctl(0x3001 /* ARCH_??? */, 0x7ffc8a92dc80) = -1 EINVAL (Invalid argument)
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-kx59j2dk5l1x04ou57mt99ck@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-trace.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 9d30e0f3b7ea..6d9be952e3a7 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -365,8 +365,12 @@ size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const cha
{
int idx = val - sa->offset;
- if (idx < 0 || idx >= sa->nr_entries || sa->entries[idx] == NULL)
- return scnprintf(bf, size, intfmt, val);
+ if (idx < 0 || idx >= sa->nr_entries || sa->entries[idx] == NULL) {
+ size_t printed = scnprintf(bf, size, intfmt, val);
+ if (show_prefix)
+ printed += scnprintf(bf + printed, size - printed, " /* %s??? */", sa->prefix);
+ return printed;
+ }
return scnprintf(bf, size, "%s%s", show_prefix ? sa->prefix : "", sa->entries[idx]);
}
@@ -388,6 +392,7 @@ static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size,
size_t strarrays__scnprintf(struct strarrays *sas, char *bf, size_t size, const char *intfmt, bool show_prefix, int val)
{
+ size_t printed;
int i;
for (i = 0; i < sas->nr_entries; ++i) {
@@ -401,7 +406,10 @@ size_t strarrays__scnprintf(struct strarrays *sas, char *bf, size_t size, const
}
}
- return scnprintf(bf, size, intfmt, val);
+ printed = scnprintf(bf, size, intfmt, val);
+ if (show_prefix)
+ printed += scnprintf(bf + printed, size - printed, " /* %s??? */", sas->entries[0]->prefix);
+ return printed;
}
size_t syscall_arg__scnprintf_strarrays(char *bf, size_t size,
--
2.19.2
next prev parent reply other threads:[~2018-12-18 22:15 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-18 22:06 [GIT PULL 00/63] perf/core improvements and fixes Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 01/63] perf dso: Export data_file_size() method there are no symbols Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 02/63] perf auxtrace: Alter addr_filter__entire_dso() to work if " Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 03/63] perf tests: Use shebangs in the shell scripts Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 04/63] perf stat: Avoid segfaults caused by negated options Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 05/63] tools lib traceevent: Fix processing of dereferenced args in bprintk events Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 06/63] perf trace: Rename delivery functions to ease making ordered_events selectable Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 07/63] perf trace: Allow selecting use the use of the ordered_events code Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 08/63] perf trace beauty: Beautify renameat2's fd arg wrt AT_FDCWD Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 09/63] perf beauty: Add a string table generator for renameat2's flags constants Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 10/63] perf beauty: Wire up the renameat flags table generator to the Makefile Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 11/63] perf trace: Beautify renameat2's flags argument Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 12/63] perf trace beauty: renameat's newdirfd may also be AT_FDCWD Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 13/63] tools lib subcmd: Don't add the kernel sources to the include path Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 14/63] perf tools: Add missing sigqueue() prototype for systems lacking it Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 15/63] perf header: Fix up argument to ctime() Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 16/63] perf tools: Add missing open_memstream() prototype for systems lacking it Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 17/63] perf tools: Cast off_t to s64 to avoid warning on bionic libc Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 18/63] tools lib traceevent: Use LDFLAGS in the build commands Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 19/63] perf tools: Link libperf-jvmti.so with LDFLAGS variable Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 20/63] perf trace: Rename set_ev_qualifier_filter to clarify its a tracepoint filter Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 21/63] perf trace: Avoid using raw_syscalls in duplicity with eBPF augmentation Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 22/63] perf trace: Implement syscall filtering in augmented_syscalls Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 23/63] perf bpf: Move perf_event_output() from stdio.h to bpf.h Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 24/63] perf augmented_syscalls: Switch to using a struct for the syscalls map values Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 25/63] perf trace: Switch to using a struct for the aumented_raw_syscalls " Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 26/63] perf cs-etm: Correct packets swapping in cs_etm__flush() Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 27/63] perf cs-etm: Avoid stale branch samples when flush packet Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 28/63] perf cs-etm: Remove unused 'trace_on' in cs_etm_decoder Arnaldo Carvalho de Melo
2018-12-18 22:06 ` [PATCH 29/63] perf cs-etm: Refactor enumeration cs_etm_sample_type Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 30/63] perf cs-etm: Rename CS_ETM_TRACE_ON to CS_ETM_DISCONTINUITY Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 31/63] perf cs-etm: Treat NO_SYNC element as trace discontinuity Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 32/63] perf cs-etm: Treat EO_TRACE " Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 33/63] perf cs-etm: Generate branch sample for exception packet Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 34/63] perf augmented_raw_syscalls: Do not include stdio.h Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 35/63] perf trace: Allow specifying a set of events to add in perfconfig Arnaldo Carvalho de Melo
2018-12-19 8:40 ` Namhyung Kim
2018-12-19 12:50 ` Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 36/63] perf trace: Allow configuring if zeroed syscall args should be printed Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 37/63] perf trace: Allow configuring if the syscall duration " Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 38/63] perf config: Show the configuration when no arguments are provided Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 39/63] perf trace: Allow configuring default for perf_event_attr.inherit Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 40/63] perf trace: Allow configuring if the syscall start timestamp should be printed Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 41/63] perf trace: Allow suppressing the syscall argument names Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 42/63] perf trace: Make the alignment of the syscall args be configurable Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 43/63] perf trace: Enclose strings with double quotes Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 44/63] perf trace: Add a prefix member to the strarray class Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 45/63] perf trace: Allow asking for not suppressing common string prefixes Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 46/63] perf trace beauty: Print O_RDONLY when (flags & O_ACCMODE) == 0 Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 47/63] perf trace: Add alignment spaces after the closing parens Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 48/63] perf augmented_raw_syscalls: Copy 'access' arg as well Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 49/63] perf trace: Enclose the errno strings with () Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 50/63] perf trace: Show NULL when syscall pointer args are 0 Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 51/63] tools include arch: Grab a copy of x86's prctl.h Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 52/63] perf beauty: Add a string table generator for x86's 'arch_prctl' codes Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 53/63] perf beauty: Wire up the x86_arch prctl code table generator Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 54/63] perf trace: Move strarrays to beauty.h for further reuse Arnaldo Carvalho de Melo
2018-12-18 22:07 ` Arnaldo Carvalho de Melo [this message]
2018-12-18 22:07 ` [PATCH 56/63] perf trace beauty: Beautify arch_prctl()'s arguments Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 57/63] perf beauty mmap: Print PROT_READ before PROT_EXEC to match strace output Arnaldo Carvalho de Melo
2018-12-19 9:15 ` Namhyung Kim
2018-12-19 13:10 ` Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 58/63] perf beauty mmap: Print mmap's 'offset' arg in hexadecimal Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 59/63] tools headers uapi: Grab a copy of fadvise.h Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 60/63] perf beauty: Add generator for fadvise64's 'advice' arg constants Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 61/63] perf trace: Wire up the fadvise 'advice' table generator Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 62/63] perf symbols: Relax checks on perf-PID.map ownership Arnaldo Carvalho de Melo
2018-12-18 22:07 ` [PATCH 63/63] tools uapi asm: Update asm-generic/unistd.h copy Arnaldo Carvalho de Melo
2018-12-20 17:53 ` [GIT PULL 00/63] perf/core improvements and fixes Ingo Molnar
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