Revision tags: v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37, v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60 |
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#
1094795e |
| 29-Jul-2021 |
James Clark <james.clark@arm.com> |
perf tools: Add WARN_ONCE equivalent for UI warnings
Currently WARN_ONCE prints to stderr and corrupts the TUI. Add equivalent methods for UI warnings.
Signed-off-by: James Clark <james.clark@arm.c
perf tools: Add WARN_ONCE equivalent for UI warnings
Currently WARN_ONCE prints to stderr and corrupts the TUI. Add equivalent methods for UI warnings.
Signed-off-by: James Clark <james.clark@arm.com> Reviewed-by: Leo Yan <leo.yan@linaro.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: John Garry <john.garry@huawei.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: http://lore.kernel.org/lkml/20210729155805.2830-2-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14 |
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#
bcbd79d1 |
| 02-Jan-2021 |
Jiri Olsa <jolsa@kernel.org> |
perf debug: Add debug_set_display_time function
Allow to display time in perf debug output via new debug_set_display_time function.
It will be used in perf daemon command to get verbose output into
perf debug: Add debug_set_display_time function
Allow to display time in perf debug output via new debug_set_display_time function.
It will be used in perf daemon command to get verbose output into log file.
The debug time format is:
[2020-12-03 18:25:31.822152] affinity: SYS [2020-12-03 18:25:31.822164] mmap flush: 1 [2020-12-03 18:25:31.822175] comp level: 0 [2020-12-03 18:25:32.002047] mmap size 528384B
Committer notes:
Cast tod.tv_usec to long to avoid this problem:
78 12.70 ubuntu:18.04-x-sparc64 : FAIL sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
util/debug.c: In function 'fprintf_time': util/debug.c:63:32: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type '__suseconds_t {aka int}' [-Werror=format=] return fprintf(file, "[%s.%06lu] ", date, tod.tv_usec); ~~~~^ ~~~~~~~~~~~ %06u
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Budankov <abudankov@huawei.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210102220441.794923-4-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v5.10 |
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#
8abceacf |
| 12-Dec-2020 |
Jiri Olsa <jolsa@kernel.org> |
perf debug: Add debug_set_file function
Allow to set debug output file via new debug_set_file function.
It's called during perf startup in perf_debug_setup to set stderr file as default and any per
perf debug: Add debug_set_file function
Allow to set debug output file via new debug_set_file function.
It's called during perf startup in perf_debug_setup to set stderr file as default and any perf command can set it later to different file.
It will be used in perf daemon command to get verbose output into log file.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Budankov <abudankov@huawei.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20201212104358.412065-2-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10 |
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#
ccd26741 |
| 08-Nov-2019 |
Ravi Bangoria <ravi.bangoria@linux.ibm.com> |
perf tool: Provide an option to print perf_event_open args and return value
Perf record with verbose=2 already prints this information along with whole lot of other traces which requires lot of scro
perf tool: Provide an option to print perf_event_open args and return value
Perf record with verbose=2 already prints this information along with whole lot of other traces which requires lot of scrolling. Introduce an option to print only perf_event_open() arguments and return value.
Sample o/p:
$ perf --debug perf-event-open=1 record -- ls > /dev/null ------------------------------------------------------------ perf_event_attr: size 112 { sample_period, sample_freq } 4000 sample_type IP|TID|TIME|PERIOD read_format ID disabled 1 inherit 1 exclude_kernel 1 mmap 1 comm 1 freq 1 enable_on_exec 1 task 1 precise_ip 3 sample_id_all 1 exclude_guest 1 mmap2 1 comm_exec 1 ksymbol 1 bpf_event 1 ------------------------------------------------------------ sys_perf_event_open: pid 4308 cpu 0 group_fd -1 flags 0x8 = 4 sys_perf_event_open: pid 4308 cpu 1 group_fd -1 flags 0x8 = 5 sys_perf_event_open: pid 4308 cpu 2 group_fd -1 flags 0x8 = 6 sys_perf_event_open: pid 4308 cpu 3 group_fd -1 flags 0x8 = 8 sys_perf_event_open: pid 4308 cpu 4 group_fd -1 flags 0x8 = 9 sys_perf_event_open: pid 4308 cpu 5 group_fd -1 flags 0x8 = 10 sys_perf_event_open: pid 4308 cpu 6 group_fd -1 flags 0x8 = 11 sys_perf_event_open: pid 4308 cpu 7 group_fd -1 flags 0x8 = 12 ------------------------------------------------------------ perf_event_attr: type 1 size 112 config 0x9 watermark 1 sample_id_all 1 bpf_event 1 { wakeup_events, wakeup_watermark } 1 ------------------------------------------------------------ sys_perf_event_open: pid -1 cpu 0 group_fd -1 flags 0x8 sys_perf_event_open failed, error -13 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.002 MB perf.data (9 samples) ]
Committer notes:
Just like the 'verbose' variable this new 'debug_peo_args' needs to be added to util/python.c, since we don't link the debug.o file in the python binding, which ended up making 'perf test python' fail with:
# perf test -v python 18: 'import perf' in python : --- start --- test child forked, pid 19237 Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: /tmp/build/perf/python/perf.so: undefined symbol: debug_peo_args test child finished with -1 ---- end ---- 'import perf' in python: FAILED! #
After adding that new variable to util/python.c:
# perf test -v python 18: 'import perf' in python : --- start --- test child forked, pid 22364 test child finished with 0 ---- end ---- 'import perf' in python: Ok #
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: http://lore.kernel.org/lkml/20191108094128.28769-1-ravi.bangoria@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12 |
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#
b22bb139 |
| 03-Sep-2019 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
perf debug: No need to include ui/util.h
Nothing from that file is used in util/debug.h, it is only needed in some places that get it indirectly via including util/debug.h, remove that entanglement.
perf debug: No need to include ui/util.h
Nothing from that file is used in util/debug.h, it is only needed in some places that get it indirectly via including util/debug.h, remove that entanglement.
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-hn9v4jdova2nt018fqsjyzun@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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#
8520a98d |
| 29-Aug-2019 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
perf debug: Remove needless include directives from debug.h
All we need there is a forward declaration for 'union perf_event', so remove it from there and add missing header directives in places usi
perf debug: Remove needless include directives from debug.h
All we need there is a forward declaration for 'union perf_event', so remove it from there and add missing header directives in places using things from this indirect include.
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-7ftk0ztstqub1tirjj8o8xbl@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2, v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12, v5.1.11, v5.1.10, v5.1.9, v5.1.8, v5.1.7, v5.1.6, v5.1.5, v5.1.4, v5.1.3, v5.1.2, v5.1.1, v5.0.14, v5.1, v5.0.13, v5.0.12, v5.0.11, v5.0.10, v5.0.9, v5.0.8, v5.0.7, v5.0.6, v5.0.5, v5.0.4, v5.0.3, v4.19.29, v5.0.2, v4.19.28, v5.0.1, v4.19.27, v5.0, v4.19.26, v4.19.25, v4.19.24, v4.19.23, v4.19.22, v4.19.21, v4.19.20, v4.19.19, v4.19.18, v4.19.17, v4.19.16, v4.19.15, v4.19.14, v4.19.13, v4.19.12, v4.19.11, v4.19.10, v4.19.9, v4.19.8, v4.19.7, v4.19.6, v4.19.5, v4.19.4, v4.18.20, v4.19.3, v4.18.19, v4.19.2, v4.18.18, v4.18.17, v4.19.1, v4.19, v4.18.16, v4.18.15, v4.18.14, v4.18.13, v4.18.12, v4.18.11, v4.18.10, v4.18.9, v4.18.7, v4.18.6, v4.18.5, v4.17.18, v4.18.4, v4.18.3, v4.17.17, v4.18.2, v4.17.16, v4.17.15, v4.18.1, v4.18, v4.17.14, v4.17.13, v4.17.12, v4.17.11, v4.17.10, v4.17.9, v4.17.8, v4.17.7, v4.17.6, v4.17.5, v4.17.4, v4.17.3, v4.17.2, v4.17.1, v4.17, v4.16, v4.15, v4.13.16, v4.14 |
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#
b2441318 |
| 01-Nov-2017 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license identifiers to apply.
- when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary:
SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became the concluded license(s).
- when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time.
In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related.
Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.13.5, v4.13, v4.12 |
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#
afaed6d3 |
| 16-Jun-2017 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
tools: Adopt __printf from kernel sources
To have a more compact way to ask the compiler to perform printf like vargargs validation.
v2: Fixed up build on arm, squashing a patch by Kim Phillips, th
tools: Adopt __printf from kernel sources
To have a more compact way to ask the compiler to perform printf like vargargs validation.
v2: Fixed up build on arm, squashing a patch by Kim Phillips, thanks!
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kim Phillips <kim.phillips@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-dopkqmmuqs04cxzql0024nnu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v4.10.17, v4.10.16, v4.10.15, v4.10.14, v4.10.13, v4.10.12 |
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#
8c2b7cac |
| 19-Apr-2017 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
perf debug: Move dump_stack() and sighandler_dump_stack() to debug.h
Two more out of util.h.
Link: http://lkml.kernel.org/n/tip-polkuxm1cpr06lbgue5pyqum@git.kernel.org Signed-off-by: Arnaldo Carval
perf debug: Move dump_stack() and sighandler_dump_stack() to debug.h
Two more out of util.h.
Link: http://lkml.kernel.org/n/tip-polkuxm1cpr06lbgue5pyqum@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v4.10.11, v4.10.10, v4.10.9, v4.10.8, v4.10.7, v4.10.6, v4.10.5, v4.10.4, v4.10.3, v4.10.2, v4.10.1, v4.10 |
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#
80df1988 |
| 17-Feb-2017 |
Namhyung Kim <namhyung@kernel.org> |
perf utils: Add perf_quiet_option()
The perf_quiet_option() is to suppress all messages. It's intended to be called just after parsing options.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc
perf utils: Add perf_quiet_option()
The perf_quiet_option() is to suppress all messages. It's intended to be called just after parsing options.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: kernel-team@lge.com Link: http://lkml.kernel.org/r/20170217081742.17417-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v4.9, openbmc-4.4-20161121-1, v4.4.33, v4.4.32, v4.4.31, v4.4.30, v4.4.29, v4.4.28, v4.4.27, v4.7.10, openbmc-4.4-20161021-1, v4.7.9, v4.4.26, v4.7.8, v4.4.25, v4.4.24, v4.7.7, v4.8, v4.4.23, v4.7.6, v4.7.5, v4.4.22, v4.4.21, v4.7.4, v4.7.3, v4.4.20, v4.7.2, v4.4.19, openbmc-4.4-20160819-1, v4.7.1, v4.4.18, v4.4.17, openbmc-4.4-20160804-1, v4.4.16, v4.7, openbmc-4.4-20160722-1, openbmc-20160722-1, openbmc-20160713-1, v4.4.15, v4.6.4 |
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#
c8b5f2c9 |
| 06-Jul-2016 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
tools: Introduce str_error_r()
The tools so far have been using the strerror_r() GNU variant, that returns a string, be it the buffer passed or something else.
But that, besides being tricky in cas
tools: Introduce str_error_r()
The tools so far have been using the strerror_r() GNU variant, that returns a string, be it the buffer passed or something else.
But that, besides being tricky in cases where we expect that the function using strerror_r() returns the error formatted in a provided buffer (we have to check if it returned something else and copy that instead), breaks the build on systems not using glibc, like Alpine Linux, where musl libc is used.
So, introduce yet another wrapper, str_error_r(), that has the GNU interface, but uses the portable XSI variant of strerror_r(), so that users rest asured that the provided buffer is used and it is what is returned.
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-d4t42fnf48ytlk8rjxs822tf@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v4.6.3, v4.4.14, v4.6.2, v4.4.13, openbmc-20160606-1, v4.6.1, v4.4.12, openbmc-20160521-1, v4.4.11, openbmc-20160518-1, v4.6, v4.4.10, openbmc-20160511-1, openbmc-20160505-1, v4.4.9, v4.4.8, v4.4.7, openbmc-20160329-2, openbmc-20160329-1, openbmc-20160321-1, v4.4.6, v4.5, v4.4.5, v4.4.4, v4.4.3, openbmc-20160222-1, v4.4.2 |
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#
dd629cc0 |
| 14-Feb-2016 |
Jiri Olsa <jolsa@kernel.org> |
perf tools: Initialize libapi debug output
Setting libapi debug output functions to use perf functions.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung
perf tools: Initialize libapi debug output
Setting libapi debug output functions to use perf functions.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1455465826-8426-5-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: openbmc-20160212-1, openbmc-20160210-1, openbmc-20160202-2, openbmc-20160202-1, v4.4.1, openbmc-20160127-1, openbmc-20160120-1, v4.4, openbmc-20151217-1, openbmc-20151210-1, openbmc-20151202-1, openbmc-20151123-1, openbmc-20151118-1, openbmc-20151104-1, v4.3, openbmc-20151102-1, openbmc-20151028-1, v4.3-rc1, v4.2, v4.2-rc8, v4.2-rc7, v4.2-rc6, v4.2-rc5 |
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#
0af0885e |
| 31-Jul-2015 |
Wang Nan <wangnan0@huawei.com> |
perf tools: Introduce veprintf
va_args alternative to eprintf().
Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Cc: Brendan Gregg <brendan.d.gregg@gma
perf tools: Introduce veprintf
va_args alternative to eprintf().
Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Alexei Starovoitov <ast@plumgrid.com> Cc: Brendan Gregg <brendan.d.gregg@gmail.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: David Ahern <dsahern@gmail.com> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kaixu Xia <xiakaixu@huawei.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/n/1436445342-1402-19-git-send-email-wangnan0@huawei.com [ split from another patch ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v4.2-rc4, v4.2-rc3, v4.2-rc2, v4.2-rc1, v4.1, v4.1-rc8, v4.1-rc7, v4.1-rc6, v4.1-rc5, v4.1-rc4, v4.1-rc3, v4.1-rc2, v4.1-rc1, v4.0, v4.0-rc7, v4.0-rc6, v4.0-rc5, v4.0-rc4, v4.0-rc3, v4.0-rc2, v4.0-rc1 |
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#
edbe9817 |
| 20-Feb-2015 |
Jiri Olsa <jolsa@kernel.org> |
perf data: Add perf data to CTF conversion support
Adding 'perf data convert' to convert perf data file into different format. This patch adds support for CTF format conversion.
To convert perf.dat
perf data: Add perf data to CTF conversion support
Adding 'perf data convert' to convert perf data file into different format. This patch adds support for CTF format conversion.
To convert perf.data into CTF run: $ perf data convert --to-ctf=./ctf-data/ [ perf data convert: Converted 'perf.data' into CTF data './ctf-data/' ] [ perf data convert: Converted and wrote 11.268 MB (100230 samples) ]
The command will create CTF metadata out of perf.data file (or one specified via -i option) and then convert all sample events into single CTF stream.
Each sample_type bit is translated into separated CTF event field apart from following exceptions:
PERF_SAMPLE_RAW - added in next patch PERF_SAMPLE_READ - TODO PERF_SAMPLE_CALLCHAIN - TODO PERF_SAMPLE_BRANCH_STACK - TODO PERF_SAMPLE_REGS_USER - TODO PERF_SAMPLE_STACK_USER - TODO
$ perf --debug=data-convert=2 data convert ...
The converted CTF data could be analyzed by CTF tools, like babletrace or tracecompass [1].
$ babeltrace ./ctf-data/ [03:19:13.962125533] (+?.?????????) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 1 } [03:19:13.962130001] (+0.000004468) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 1 } [03:19:13.962131936] (+0.000001935) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 8 } [03:19:13.962133732] (+0.000001796) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 114 } [03:19:13.962135557] (+0.000001825) cycles: { }, { ip = 0xFFFFFFFF8105443A, tid = 20714, pid = 20714, period = 2087 } [03:19:13.962137627] (+0.000002070) cycles: { }, { ip = 0xFFFFFFFF81361938, tid = 20714, pid = 20714, period = 37582 } [03:19:13.962161091] (+0.000023464) cycles: { }, { ip = 0xFFFFFFFF8124218F, tid = 20714, pid = 20714, period = 600246 } [03:19:13.962517569] (+0.000356478) cycles: { }, { ip = 0xFFFFFFFF811A75DB, tid = 20714, pid = 20714, period = 1325731 } [03:19:13.969518008] (+0.007000439) cycles: { }, { ip = 0x34080917B2, tid = 20714, pid = 20714, period = 1144298 }
The following members to the ctf-environment were decided to be added to distinguish and specify perf CTF data:
- domain
It says "kernel" because it contains a kernel trace (not to be confused with a user space like lttng-ust does)
- tracer_name
It says perf. This can be used to distinguish between lttng and perf CTF based trace.
- version
The kernel version from stream. In addition to release, this is what it looks like on a Debian kernel:
release = "3.14-1-amd64"; version = "3.14.0";
[1] http://projects.eclipse.org/projects/tools.tracecompass
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Reviewed-by: David Ahern <dsahern@gmail.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jeremie Galarneau <jgalar@efficios.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1424470628-5969-4-git-send-email-jolsa@kernel.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v3.19, v3.19-rc7, v3.19-rc6, v3.19-rc5, v3.19-rc4, v3.19-rc3, v3.19-rc2, v3.19-rc1, v3.18, v3.18-rc7, v3.18-rc6, v3.18-rc5, v3.18-rc4, v3.18-rc3, v3.18-rc2, v3.18-rc1, v3.17, v3.17-rc7, v3.17-rc6, v3.17-rc5, v3.17-rc4, v3.17-rc3, v3.17-rc2, v3.17-rc1 |
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#
b2348e1d |
| 13-Aug-2014 |
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> |
perf: Use strerror_r instead of strerror
Use strerror_r instead of strerror in error messages for thread-safety. This also introduce STRERR_BUFSIZE macro for the default size of message buffer for s
perf: Use strerror_r instead of strerror
Use strerror_r instead of strerror in error messages for thread-safety. This also introduce STRERR_BUFSIZE macro for the default size of message buffer for strerror_r.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naohiro Aota <naota@elisp.net> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20140814022232.3545.14026.stgit@kbuild-fedora.novalocal Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v3.16, v3.16-rc7, v3.16-rc6, v3.16-rc5 |
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#
cee3ab9c |
| 11-Jul-2014 |
Jiri Olsa <jolsa@kernel.org> |
perf tools: Add debug prints for ordered events queue
Adding some prints for ordered events queue, to help debug issues.
Adding debug_ordered_events debug variable to be able to enable ordered even
perf tools: Add debug prints for ordered events queue
Adding some prints for ordered events queue, to help debug issues.
Adding debug_ordered_events debug variable to be able to enable ordered events debug messages using:
$ perf --debug ordered-events=2 report ...
Also using oe pointer in perf_session__queue_event instead of chained session variable dereferencing.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: David Ahern <dsahern@gmail.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-7p3mnnopjvsp9nmk9msqcfkm@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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#
bbb2cea7 |
| 17-Jul-2014 |
Jiri Olsa <jolsa@redhat.com> |
perf tools: Add --debug optionto set debug variable
Adding --debug option as a way to setup debug variables. Starting with support for verbose, more will come.
It's possible to use it now with rep
perf tools: Add --debug optionto set debug variable
Adding --debug option as a way to setup debug variables. Starting with support for verbose, more will come.
It's possible to use it now with report command: $ perf --debug verbose ... $ perf --debug verbose=2 ...
I'll need this support to add separated debug variable for ordered events change in order to separate debug output out of standard verbose stream.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20140717105500.GG516@krava.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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#
c95688aa |
| 14-Jul-2014 |
Jiri Olsa <jolsa@kernel.org> |
perf tools: Factor eprintf to allow different debug variables
This way we can easily reuse current debug functions for another debug variables other than verbose. Signed-off-by: Jiri Olsa <jolsa@ker
perf tools: Factor eprintf to allow different debug variables
This way we can easily reuse current debug functions for another debug variables other than verbose. Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1405374411-29012-4-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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#
84f5d36f |
| 14-Jul-2014 |
Jiri Olsa <jolsa@kernel.org> |
perf tools: Move pr_* debug macros into debug object
Moving pr_* debug macros to have it with in same object as debug variables, becase we will change them to use verbose variable in next patch.
Si
perf tools: Move pr_* debug macros into debug object
Moving pr_* debug macros to have it with in same object as debug variables, becase we will change them to use verbose variable in next patch.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1405374411-29012-3-git-send-email-jolsa@kernel.org [ Add missing debug.h include in python scripting glue and in the libdw unwind lib ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v3.16-rc4, v3.16-rc3, v3.16-rc2, v3.16-rc1, v3.15, v3.15-rc8, v3.15-rc7, v3.15-rc6, v3.15-rc5, v3.15-rc4, v3.15-rc3, v3.15-rc2, v3.15-rc1, v3.14, v3.14-rc8, v3.14-rc7, v3.14-rc6, v3.14-rc5, v3.14-rc4, v3.14-rc3, v3.14-rc2, v3.14-rc1, v3.13, v3.13-rc8, v3.13-rc7, v3.13-rc6, v3.13-rc5, v3.13-rc4, v3.13-rc3 |
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#
f772abc6 |
| 03-Dec-2013 |
Jiri Olsa <jolsa@redhat.com> |
perf tools: Overload pr_stat traceevent print function
The traceevent lib uses pr_stat to display all standard info. It's defined as __weak. Overloading it with perf version plugged into perf output
perf tools: Overload pr_stat traceevent print function
The traceevent lib uses pr_stat to display all standard info. It's defined as __weak. Overloading it with perf version plugged into perf output system logic.
Displaying the pr_stat stuff under '-v' option.
Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1386076182-14484-12-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v3.13-rc2, v3.13-rc1, v3.12, v3.12-rc7, v3.12-rc6, v3.12-rc5, v3.12-rc4, v3.12-rc3, v3.12-rc2, v3.12-rc1, v3.11, v3.11-rc7, v3.11-rc6, v3.11-rc5, v3.11-rc4, v3.11-rc3, v3.11-rc2, v3.11-rc1, v3.10, v3.10-rc7, v3.10-rc6, v3.10-rc5, v3.10-rc4, v3.10-rc3, v3.10-rc2, v3.10-rc1, v3.9, v3.9-rc8, v3.9-rc7, v3.9-rc6, v3.9-rc5, v3.9-rc4, v3.9-rc3, v3.9-rc2, v3.9-rc1, v3.8, v3.8-rc7, v3.8-rc6, v3.8-rc5, v3.8-rc4, v3.8-rc3, v3.8-rc2, v3.8-rc1 |
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#
56e52e85 |
| 13-Dec-2012 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
perf evsel: Introduce perf_evsel__open_strerror method
That consolidates the error messages in 'record', 'stat' and 'top', that now get a consistent set of messages and allow other tools to use the
perf evsel: Introduce perf_evsel__open_strerror method
That consolidates the error messages in 'record', 'stat' and 'top', that now get a consistent set of messages and allow other tools to use the new method to report problems using whatever UI toolkit.
Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-1cudb7wl996kz7ilz83ctvhr@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v3.7, v3.7-rc8, v3.7-rc7, v3.7-rc6 |
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#
75291420 |
| 14-Nov-2012 |
Namhyung Kim <namhyung.kim@lge.com> |
perf ui: Always compile error printing code
It is used everywhere so always build it regardless of ui engine.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> C
perf ui: Always compile error printing code
It is used everywhere so always build it regardless of ui engine.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1352911664-24620-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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#
a5580f3e |
| 13-Nov-2012 |
Namhyung Kim <namhyung.kim@lge.com> |
perf ui: Add ui_progress__finish()
Sometimes we need to know when the progress bar should disappear.
Checking curr >= total wasn't enough since there're cases not met that condition for the last ca
perf ui: Add ui_progress__finish()
Sometimes we need to know when the progress bar should disappear.
Checking curr >= total wasn't enough since there're cases not met that condition for the last call.
So add a new ->finish callback to identify this explicitly. Currently only GTK frontend needs it.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1352813436-14173-4-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v3.7-rc5, v3.7-rc4, v3.7-rc3, v3.7-rc2, v3.7-rc1, v3.6 |
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#
f9f526ec |
| 28-Sep-2012 |
Namhyung Kim <namhyung.kim@lge.com> |
perf tools: Convert to GTK2_SUPPORT
For building perf without gtk+2, we can set NO_GTK2=1 as a argument of make. It then defines NO_GTK2_SUPPORT macro for C code to do the proper handling. However
perf tools: Convert to GTK2_SUPPORT
For building perf without gtk+2, we can set NO_GTK2=1 as a argument of make. It then defines NO_GTK2_SUPPORT macro for C code to do the proper handling. However it usually used in a negative semantics - e.g. #ifndef - so we saw double negations which can be misleading. Convert it to a positive form to make it more readable.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1348824728-14025-8-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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#
1254b51e |
| 28-Sep-2012 |
Namhyung Kim <namhyung.kim@lge.com> |
perf tools: Convert to NEWT_SUPPORT
For building perf without libnewt, we can set NO_NEWT=1 as a argument of make. It then defines NO_NEWT_SUPPORT macro for C code to do the proper handling. Howev
perf tools: Convert to NEWT_SUPPORT
For building perf without libnewt, we can set NO_NEWT=1 as a argument of make. It then defines NO_NEWT_SUPPORT macro for C code to do the proper handling. However it usually used in a negative semantics - e.g. #ifndef - so we saw double negations which can be misleading. Convert it to a positive form to make it more readable.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1348824728-14025-7-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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