On Fri, Mar 15, 2024 at 03:48:58PM +0100, Daniel Bristot de Oliveira wrote:
> On 3/15/24 15:24, Daniel Bristot de Oliveira wrote:
> > Use tools/build/ makefiles to build latency-collector, inheriting
> > the benefits of it. For example: Before this patch, a missing
> > tracefs/traceevents headers
Em Wed, Apr 14, 2021 at 11:07:39AM -0500, Rob Herring escreveu:
> x86 and arm64 can both support direct access of event counters in
> userspace. The access sequence is less than trivial and currently exists
> in perf test code (tools/perf/arch/x86/tests/rdpmc.c) with copies in
> projects such as
Em Thu, Apr 15, 2021 at 09:24:41AM +0200, Peter Zijlstra escreveu:
> On Wed, Apr 14, 2021 at 11:47:09AM +0300, Dan Carpenter wrote:
> > On Wed, Apr 14, 2021 at 01:45:11AM +0500, Muhammad Usama Anjum wrote:
> > > Memory allocated by sym and sym->name isn't being freed if some error
> > > occurs in
Em Thu, Apr 15, 2021 at 01:38:40PM +0200, Jiri Olsa escreveu:
> On Thu, Apr 15, 2021 at 04:34:16PM +0800, Zhen Lei wrote:
> > Although 'ret' has been initialized to -1, but it will be reassigned by
> > the "ret = open(...)" statement in the for loop. So that, the value of
> > 'ret' is unknown when
Em Fri, Apr 16, 2021 at 02:41:13PM -0700, Ian Rogers escreveu:
> Relative path include works in the regular build due to -I paths but may
> break in other situations.
Thanks, applied.
- Arnaldo
> Signed-off-by: Ian Rogers
> ---
> tools/perf/arch/arm64/util/kvm-stat.c | 4 ++--
>
Em Mon, Apr 19, 2021 at 09:39:37AM +0200, Martin Liška escreveu:
> @Arnaldo: May I please ping this?
Applied the refreshed version,
- Arnaldo
> Thanks,
> Martin
>
> On 4/8/21 12:08 PM, Martin Liška wrote:
> > On 4/7/21 10:25 PM, Arnaldo Carvalho de Melo wrote:
> >&
mode
> 4. Renamed iiostat_delete_root_ports() to iiostat_release() and
> iostat_show_root_ports() to iostat_list()
>
> The previous version can be found at:
> v1:
> https://lkml.kernel.org/r/20201210090340.14358-1-alexander.anto...@linux.intel.com
>
> Changes in
Em Mon, Apr 19, 2021 at 10:38:46PM +1000, Michael Ellerman escreveu:
> Kajol Jain writes:
> > Patch adds initial json/events for POWER10.
>
> Acked-by: Michael Ellerman
Thanks, applied.
- Arnaldo
> cheers
>
> > Signed-off-by: Kajol Jain
> > Tested-by: Paul A. Clarke
> > Reviewed-by:
Em Fri, Apr 16, 2021 at 09:07:09AM -0600, Mathieu Poirier escreveu:
> Hi James,
>
> On Fri, Apr 16, 2021 at 01:56:30PM +0300, James Clark wrote:
> > Changes since v1:
> > * Improved variable name from etm_timestamp -> cs_timestamp
> > * Fixed ordering of Signed-off-by
> >
>
> You forgot to
Em Thu, Apr 15, 2021 at 12:01:23PM +0800, Tiezhu Yang escreveu:
> (1) tools/bpf/bpftool build failed due to the following reason:
>
> Error: failed to load BTF from /boot/vmlinux-5.12.0-rc2: No such
> file or directory
> make: *** [Makefile:158: vmlinux.h] Error 2
>
> (2) When set
Em Thu, Apr 15, 2021 at 03:09:28PM -0500, Rob Herring escreveu:
> On Thu, Apr 15, 2021 at 2:37 PM Arnaldo Carvalho de Melo
> wrote:
> > Ok, b4 failed on it, probably some missing Reply to, so I'll apply it by
> > hand:
>
> That's my fault. A duplicate message-id is t
Em Thu, Apr 15, 2021 at 04:48:34PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Apr 15, 2021 at 04:46:46PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Wed, Apr 14, 2021 at 03:53:36PM -0500, Rob Herring escreveu:
> > > On Wed, Apr 14, 2021 at 3:25 PM N
Em Thu, Apr 15, 2021 at 04:46:46PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Apr 14, 2021 at 03:53:36PM -0500, Rob Herring escreveu:
> > On Wed, Apr 14, 2021 at 3:25 PM Namhyung Kim wrote:
> > >
> > > On Thu, Apr 15, 2021 at 4:58 AM Rob Herring wrote:
>
t; > > parameters come from external callers. Add bounds checks and an
> > > unchecked __xyarray__entry().
> > >
> > > Cc: Peter Zijlstra
> > > Cc: Ingo Molnar
> > > Cc: Arnaldo Carvalho de Melo
> > > Cc: Mark Rutland
> > &
Em Thu, Apr 15, 2021 at 04:14:31AM +0900, Namhyung Kim escreveu:
> On Thu, Apr 15, 2021 at 3:23 AM Arnaldo Carvalho de Melo
> wrote:
> >
> > Em Wed, Apr 14, 2021 at 03:02:08PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Thu, Apr 15, 2021 at 01:41:35AM +
Em Thu, Apr 15, 2021 at 05:27:44PM +0800, Zhen Lei escreveu:
> Although 'err' has been initialized to -ENOMEM, but it will be reassigned
> by the "err = unwind__prepare_access(...)" statement in the for loop. So
> that, the value of 'err' is unknown when map__clone() failed.
You forgot to
Em Wed, Apr 14, 2021 at 04:08:12PM -0300, Arnaldo Carvalho de Melo escreveu:
> [root@6db6d5ad9661 perf]# tools/perf/trace/beauty/fsconfig.sh
> static const char *fsconfig_cmds[] = {
> [0] = "SET_FLAG",
> [1] = "SET_STRING",
> [2] = &q
Em Wed, Apr 14, 2021 at 09:27:23PM +0300, Vitaly Chikunov escreveu:
> After gnulib update sed stopped matching `[[:space:]]*+' as before,
> causing the following compilation error:
>
> In file included from builtin-trace.c:719:
> trace/beauty/generated/fsconfig_arrays.c:2:3: error: expected
Em Wed, Apr 14, 2021 at 03:02:08PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Apr 15, 2021 at 01:41:35AM +0900, Namhyung Kim escreveu:
> > Hello,
> >
> > On Thu, Apr 15, 2021 at 1:07 AM Rob Herring wrote:
> > > +void *perf_evsel__mmap_base(struct p
Em Wed, Apr 14, 2021 at 07:29:42PM +0300, Vitaly Chikunov escreveu:
> After gnulib update sed stopped matching `[[:space:]]*+' as before,
> causing the following compilation error:
>
> In file included from builtin-trace.c:719:
> trace/beauty/generated/fsconfig_arrays.c:2:3: error: expected
Em Thu, Apr 15, 2021 at 01:41:35AM +0900, Namhyung Kim escreveu:
> Hello,
>
> On Thu, Apr 15, 2021 at 1:07 AM Rob Herring wrote:
> > +void *perf_evsel__mmap_base(struct perf_evsel *evsel, int cpu, int thread)
> > +{
> > + if (FD(evsel, cpu, thread) < 0 || MMAP(evsel, cpu, thread) == NULL)
Hi,
Please take a look,
Best regards,
- Arnaldo
Arnaldo Carvalho de Melo (2):
perf evlist: Add a method to return the list of evsels as a string
perf record: Improve 'Workload failed' message printing events + what
was exec'ed
tools/perf/builtin-record.c | 8 ++--
tools
From: Arnaldo Carvalho de Melo
Before:
# perf record -a cycles,instructions,cache-misses
Workload failed: No such file or directory
#
After:
# perf record -a cycles,instructions,cache-misses
Failed to collect 'cycles' for the 'cycles,instructions,cache-misses'
workload
From: Arnaldo Carvalho de Melo
Add a 'scnprintf' method to obtain the list of evsels in a evlist as a
string, excluding the "dummy" event used for things like receiving
metadata events (PERF_RECORD_FORK, MMAP, etc) when synthesizing
preexisting threads.
Will be used to improve the err
Em Mon, Apr 12, 2021 at 03:22:29PM +0800, Yang Jihong escreveu:
> On 2021/3/31 10:18, Yang Jihong wrote:
> > On 2021/3/30 15:26, Namhyung Kim wrote:
> > > On Sat, Mar 27, 2021 at 11:16 AM Yang Jihong
> > > wrote:
> > > > On 2021/3/26 20:06, Arnaldo Carval
Em Tue, Apr 13, 2021 at 02:07:57PM -0500, Rob Herring escreveu:
> On Tue, Apr 13, 2021 at 1:39 PM Arnaldo Carvalho de Melo
> wrote:
> > > --- a/tools/lib/perf/evsel.c
> > > +int perf_evsel__mmap(struct perf_evsel *evsel, int pages)
> > > +{
> >
Em Tue, Apr 13, 2021 at 03:49:31PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Apr 13, 2021 at 12:16:05PM -0500, Rob Herring escreveu:
> > Add __T_VERBOSE() so tests can add verbose output. The verbose output is
> > enabled with the '-v' command line option.
>
> Y
Em Tue, Apr 13, 2021 at 12:16:05PM -0500, Rob Herring escreveu:
> Add __T_VERBOSE() so tests can add verbose output. The verbose output is
> enabled with the '-v' command line option.
You forgot to show how this is used, I'm trying:
# cd tools/lib/perf
# sudo make tests
So how from the
Em Tue, Apr 13, 2021 at 12:16:04PM -0500, Rob Herring escreveu:
> In order to support usersapce access, an event must be mmapped. While
> there's already mmap support for evlist, the usecase is a bit different
> than the self monitoring with userspace access. So let's add a new
>
enumerations.
Signed-off-by: Arnaldo Carvalho de Melo
Carvalho de Melo
Adrian Hunter (1):
perf inject: Fix repipe usage
Ian Rogers (1):
perf arm-spe: Avoid potential buffer overrun
Jin Yao (1):
perf report: Fix wrong LBR block sorting
tools/perf/builtin-inject.c
Em Thu, Apr 08, 2021 at 08:24:47PM +0200, Jiri Olsa escreveu:
> On Thu, Apr 08, 2021 at 06:08:20PM +, Song Liu wrote:
> >
> >
> > > On Apr 8, 2021, at 10:45 AM, Jiri Olsa wrote:
> > >
> > > On Thu, Apr 08, 2021 at 05:28:10PM +, Song Liu wrote:
> > >>
> > >>
> > >>> On Apr 8, 2021, at
Em Thu, Apr 08, 2021 at 04:39:33PM +, Song Liu escreveu:
> > On Apr 8, 2021, at 4:47 AM, Jiri Olsa wrote:
> > On Tue, Apr 06, 2021 at 05:36:01PM -0700, Song Liu wrote:
> >> Currently, to use BPF to aggregate perf event counters, the user uses
> >> --bpf-counters option. Enable "use bpf by
Em Wed, Apr 07, 2021 at 04:30:46PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Feb 26, 2021 at 10:24:00AM +0100, Martin Liška escreveu:
> > On 2/23/21 8:47 PM, Arnaldo Carvalho de Melo wrote:
> > Sure. But I think the current format provides quite broken visual layout:
>
Em Fri, Feb 26, 2021 at 10:24:00AM +0100, Martin Liška escreveu:
> On 2/23/21 8:47 PM, Arnaldo Carvalho de Melo wrote:
> > Em Sun, Feb 21, 2021 at 01:46:36PM +0100, Martin Liška escreveu:
> > > The patch changes the output format in 2 ways:
> > > - line number is dis
Em Fri, Mar 19, 2021 at 10:38:26AM +0100, Martin Liška escreveu:
> PING
Can you please try to refresh the patch? It isn't applying, probably my
bad for not having processed it already :-\
- Arnaldo
> On 2/26/21 10:24 AM, Martin Liška wrote:
> > On 2/23/21 8:47 PM, Arnaldo Carv
Em Wed, Apr 07, 2021 at 08:39:55AM -0700, Ian Rogers escreveu:
> SPE extended headers are >1 byte so ensure the buffer contains at
> least this before reading. This issue was detected by fuzzing.
Thanks, applied.
- Arnaldo
> Signed-off-by: Ian Rogers
> ---
>
Em Wed, Apr 07, 2021 at 06:49:57AM -0700, Andi Kleen escreveu:
> > Now the hottest block is reported at the top of output.
> >
> > Fixes: b65a7d372b1a ("perf hist: Support block formats with
> > compare/sort/display")
> > Signed-off-by: Jin Yao
>
>
> Reviewed-by: Andi Kleen
Thanks, applied.
mended event.
>
> The second and third patches addresses the inconsistency by defaulting all
> event codes and umask values to use lower cases and 0x%02x as their
> format.
>
> The final patch adds Zen3 events.
Thanks, applied.
- Arnaldo
> Cc: Peter Zijlstra
> Cc: Ingo Mo
Em Wed, Apr 07, 2021 at 06:32:44PM +0800, John Garry escreveu:
> This series contains support to get basic metricgroups working for
> arm64 CPUs.
>
> Initial support is added for HiSilicon hip08 platform.
>
> Some sample usage on Huawei D06 board:
>
> $ ./perf list metric
Thanks, applied.
Em Wed, Apr 07, 2021 at 05:49:02PM +0800, johnny.che...@huawei.com escreveu:
> From: Chen Yi
>
> Delete one of the header files that are included twice.
Thanks, but I got a patch merged for this already.
- Arnaldo
> Signed-off-by: Chen Yi
> ---
> tools/perf/builtin-daemon.c | 1 -
> 1
Em Tue, Apr 06, 2021 at 06:51:02PM +0800, Wan Jiabing escreveu:
> struct mem_info is defined at 22nd line.
> The declaration here is unnecessary. Remove it.
Thanks, applied.
- Arnaldo
> Signed-off-by: Wan Jiabing
> ---
> tools/perf/util/mem-events.h | 1 -
> 1 file changed, 1 deletion(-)
>
ome (more) discussion would be in order.
Are you sure that potentially breaking existing scripts is ok in this
case?
Up to you, frankly.
- Arnaldo
> On Fri, Apr 2, 2021 at 6:37 AM Arnaldo Carvalho de Melo
> wrote:
>
> > Em Fri, Apr 02, 2021 at 06:40:20PM +0900, Namhyung Kim escrev
Em Thu, Apr 01, 2021 at 04:19:38PM +0900, Namhyung Kim escreveu:
> Hello,
>
> On Thu, Apr 1, 2021 at 3:25 PM Wan Jiabing wrote:
> >
> > struct target is declared twice. One has been declared
> > at 21st line. Remove the duplicate.
> >
> > Signed-off-by: Wan Jiabing
>
> Acked-by: Namhyung Kim
Em Fri, Apr 02, 2021 at 06:40:20PM +0900, Namhyung Kim escreveu:
> It's confusing which one is effective when the both options are given.
> The current code happens to use -c in this case but users might not be
> aware of it. We can change it to complain about that instead of
> relying on the
Em Thu, Apr 01, 2021 at 04:05:13PM +0200, Jiri Olsa escreveu:
> On Thu, Apr 01, 2021 at 01:36:05PM +0300, Adrian Hunter wrote:
> > Since commit 14d3d5405253 ("perf session: Try to read pipe data from file")
> > perf inject has started printing "PERFILE2h" when not processing pipes.
> >
> > The
Em Tue, Mar 30, 2021 at 08:19:10PM +0200, Martin Liška escreveu:
> On 3/30/21 5:42 PM, Arnaldo Carvalho de Melo wrote:
> > Trying to find V2
You said you would resend fixing up this:
+ OPT_BOOLEAN(0, "demangle", _conf.demangle,
+ "D
Em Fri, Feb 26, 2021 at 02:52:23AM -0500, Fabian Hemmer escreveu:
> Some OCaml developers reported that this bit of information is sometimes
> useful for disambiguating functions for which the OCaml compiler assigns
> the same name, e.g. nested or inlined functions.
Sorry for the delay in
c6bd9aec7859a0503581312834fb197f1
> > (in tmp.perf/core branch), but we miss setting the same via options.
> >
> > Thank you,
> > Martin
> >
> > On 2/26/21 11:01 AM, Martin Liška wrote:
> > > On 2/23/21 8:49 PM, Arnaldo Carvalho de Melo wrote:
> > > >
ation checker".
- Fix auxtrace queue conflict.
- Sync linux/kvm.h with the kernel sources.
Signed-off-by: Arnaldo Carvalho de Melo
Adrian Hunter (1):
perf auxtrace: Fix auxtrace queue conflict
Arnaldo Carvalho
Em Fri, Mar 26, 2021 at 12:25:37PM +0900, Namhyung Kim escreveu:
> On Fri, Mar 26, 2021 at 11:24 AM Yang Jihong wrote:
> > On 2021/3/19 20:35, Yang Jihong wrote:
> > > In hist__find_annotations function, since different hist_entry may point
> > > to same
> > > symbol, we free notes->src to
Em Wed, Mar 24, 2021 at 10:05:23AM +0530, Madhavan Srinivasan escreveu:
>
> On 3/22/21 8:27 PM, Athira Rajeev wrote:
> > Performance Monitoring Unit (PMU) registers in powerpc provides
> > information on cycles elapsed between different stages in the
> > pipeline. This can be used for application
Em Wed, Mar 24, 2021 at 10:05:23AM +0530, Madhavan Srinivasan escreveu:
>
> On 3/22/21 8:27 PM, Athira Rajeev wrote:
> > Performance Monitoring Unit (PMU) registers in powerpc provides
> > information on cycles elapsed between different stages in the
> > pipeline. This can be used for application
Em Tue, Mar 23, 2021 at 01:01:39PM +0800, Wan Jiabing escreveu:
> sys/stat.h has been included at line 23, so remove the
> duplicate one at line 27.
> linux/string.h has been included at line 7, so remove the
> duplicate one at line 9.
> time.h has been included at line 14, so remove the
>
Em Thu, Mar 25, 2021 at 12:55:50AM +, Song Liu escreveu:
> > On Mar 23, 2021, at 9:21 AM, Namhyung Kim wrote:
> > #ifdef CONFIG_SECURITY
> > @@ -780,6 +792,14 @@ struct perf_event {
> > #endif /* CONFIG_PERF_EVENTS */
> > };
> > +struct perf_cgroup_node {
> > + struct hlist_node
Em Thu, Mar 25, 2021 at 12:39:34PM +0800, Wan Jiabing escreveu:
> struct evlist has been declared at 10th line.
> struct comm has been declared at 15th line.
> Remove the duplicate.
Thanks, applied.
- Arnaldo
> Signed-off-by: Wan Jiabing
> ---
> tools/perf/util/metricgroup.h | 1 -
>
Em Wed, Mar 24, 2021 at 11:21:19AM -0700, Ian Rogers escreveu:
> On Wed, Mar 24, 2021 at 6:54 AM Borislav Petkov wrote:
> >
> > On Wed, Mar 24, 2021 at 10:43:20AM -0300, Arnaldo Carvalho de Melo wrote:
> > > Borislav, was this addressed? Ian?
> >
> > Yap
Em Wed, Mar 24, 2021 at 10:45:22AM +0900, Namhyung Kim escreveu:
> On Sat, Mar 20, 2021 at 7:46 PM Leo Yan wrote:
> > [1] https://bugs.launchpad.net/ubuntu/+source/dash/+bug/139097
> >
> > Fixes: 2291bb915b55 ("perf tests: Add daemon 'list' command test")
> > Signed-off-by: Leo Yan
>
>
Em Tue, Mar 16, 2021 at 06:14:54PM -0700, Ian Rogers escreveu:
> On Thu, Mar 4, 2021 at 9:56 AM Borislav Petkov wrote:
> > From: Borislav Petkov
> >
> > Users of the instruction decoder should use this to decode instruction
> > bytes. For that, have insn*() helpers return an int value to denote
Em Mon, Mar 15, 2021 at 11:56:32AM +0800, Tiezhu Yang escreveu:
> Add entry "L: linux-perf-us...@vger.kernel.org" to archive the
> related mail on https://lore.kernel.org/linux-perf-users/, add
> entry "W: https://perf.wiki.kernel.org/; so that newbies could
> get some useful materials.
Thanks,
Em Tue, Mar 16, 2021 at 02:50:48PM +0100, Jiri Olsa escreveu:
> On Tue, Mar 16, 2021 at 09:56:26AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Tue, Mar 16, 2021 at 11:28:12AM +0900, Namhyung Kim escreveu:
> > > On Mon, Mar 15, 2021 at 10:28 PM Jiri Olsa wrote:
> > &g
Em Wed, Mar 24, 2021 at 09:37:34AM +0100, Thomas Richter escreveu:
> For some time now the perf test 42: BPF filter returns an error
> on bpf relocation subtest, at least on x86 and s390. This is caused by
>
> commit d859900c4c56 ("bpf, libbpf: support global data/bss/rodata sections")
>
> which
Em Wed, Mar 24, 2021 at 09:06:50AM -0400, Nicholas Fraser escreveu:
> This adds preliminary support to dump the contents of a perf.data file to
> human-readable JSON.
>
> The "perf data" command currently only supports exporting to Common Trace
> Format and it doesn't do symbol resolution among
Em Sat, Mar 20, 2021 at 11:10:12PM +0100, Jiri Olsa escreveu:
> If we don't process SIGCHLD before another comes, we will
> see just one SIGCHLD as a result. In this case current code
> will miss exit notification for a session and wait forever.
>
> Adding extra waitpid check for all sessions
Em Mon, Mar 22, 2021 at 10:15:48PM +0100, Jiri Olsa escreveu:
> On Fri, Mar 19, 2021 at 03:01:55PM +0800, Jin Yao wrote:
>
> SNIP
>
> > 102107,,branch-misses,8012781751,100.00,4.15,of all branches
> >
> > This option can be enabled in perf config by setting the variable
> >
Em Wed, Mar 24, 2021 at 10:12:43AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Mar 24, 2021 at 10:05:18AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Fri, Mar 19, 2021 at 03:01:56PM +0800, Jin Yao escreveu:
> > > The patch "perf stat: Align CSV output fo
Em Wed, Mar 24, 2021 at 10:05:18AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Mar 19, 2021 at 03:01:56PM +0800, Jin Yao escreveu:
> > The patch "perf stat: Align CSV output for summary mode" aligned
> > CVS output and added "summary" to the first column
Em Fri, Mar 19, 2021 at 03:01:56PM +0800, Jin Yao escreveu:
> The patch "perf stat: Align CSV output for summary mode" aligned
> CVS output and added "summary" to the first column of summary
> lines.
>
> Now we check if the "summary" string is added to the CVS output.
>
> If we set
Em Fri, Mar 19, 2021 at 04:14:42PM +, Song Liu escreveu:
> > On Mar 19, 2021, at 8:58 AM, Namhyung Kim wrote:
> > On Sat, Mar 20, 2021 at 12:35 AM Arnaldo Carvalho de Melo
> > wrote:
> >> Em Fri, Mar 19, 2021 at 09:54:59AM +0900, Namhyung Kim escreveu:
> >&
Em Tue, Mar 23, 2021 at 02:59:57PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Mar 23, 2021 at 05:10:10PM +0100, Ingo Molnar escreveu:
> >
> > Here's the delta between -v1 and -v2, in case you already have -v1 or
> > want to review the changes only:
>
> I
Em Tue, Mar 23, 2021 at 09:37:42AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Mar 23, 2021 at 09:25:52AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Fri, Mar 19, 2021 at 03:41:57PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Thu, Mar 18, 2021 at 10:15:13P
Em Mon, Mar 22, 2021 at 01:53:39PM +0100, Thomas Richter escreveu:
> For some time now the perf test 42: BPF filter returns an error
> on bpf relocation subtest, at least on x86 and s390. This is caused by
>
> commit d859900c4c56 ("bpf, libbpf: support global data/bss/rodata sections")
>
> which
Em Tue, Mar 23, 2021 at 05:10:10PM +0100, Ingo Molnar escreveu:
>
> Here's the delta between -v1 and -v2, in case you already have -v1 or
> want to review the changes only:
I had not pushed out it, so I just replaced v1 with v2, thanks.
- Arnaldo
> ---
> tools/perf/arch/arm64/util/machine.c
Em Sun, Mar 21, 2021 at 12:37:34PM +0100, Ingo Molnar escreveu:
>
> Fix ~81 single-word typos in the perf tooling code - accumulated over the
> years.
Thanks, applied.
- Arnaldo
> Signed-off-by: Ingo Molnar
> ---
> tools/perf/Documentation/perf-buildid-cache.txt | 2 +-
>
Em Tue, Mar 23, 2021 at 09:25:52AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Mar 19, 2021 at 03:41:57PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Thu, Mar 18, 2021 at 10:15:13PM +0100, Jiri Olsa escreveu:
> > > On Tue, Mar 16, 2021 at 02:18:35PM -07
Em Fri, Mar 19, 2021 at 03:41:57PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Mar 18, 2021 at 10:15:13PM +0100, Jiri Olsa escreveu:
> > On Tue, Mar 16, 2021 at 02:18:35PM -0700, Song Liu wrote:
> > > bperf is off by default. To enable it, pass --bpf-counters option
Em Thu, Mar 18, 2021 at 10:15:13PM +0100, Jiri Olsa escreveu:
> On Tue, Mar 16, 2021 at 02:18:35PM -0700, Song Liu wrote:
> > bperf is off by default. To enable it, pass --bpf-counters option to
> > perf-stat. bperf uses a BPF hashmap to share information about BPF
> > programs and maps used by
Em Fri, Mar 19, 2021 at 09:14:15AM +0900, hyunji-Hong escreveu:
> isspace() could be vulnerable in terms of unpredictable results. So, the
> parameter of the isspace() should be cast with 'unsigned int'. We found out
> that information through these sites. (Microsoft, Stack Overflow)
> url:
Em Fri, Mar 19, 2021 at 09:54:59AM +0900, Namhyung Kim escreveu:
> On Fri, Mar 19, 2021 at 9:22 AM Song Liu wrote:
> > > On Mar 18, 2021, at 5:09 PM, Arnaldo wrote:
> > > On March 18, 2021 6:14:34 PM GMT-03:00, Jiri Olsa
> > > wrote:
> > >> On Thu, Mar 18, 2021 at 03:52:51AM +, Song Liu
Em Thu, Mar 18, 2021 at 01:16:37PM +0100, Jiri Olsa escreveu:
> On Wed, Mar 17, 2021 at 10:42:45AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Mar 17, 2021 at 08:17:52PM +0800, Jin, Yao escreveu:
> > > I'm OK to only support 'cpu_core/cpu-cycles/' or 'c
Em Thu, Mar 18, 2021 at 02:01:49PM +0100, Jiri Olsa escreveu:
> On Tue, Mar 16, 2021 at 05:55:03PM -0700, Ian Rogers wrote:
> > Remove unused argument from daemon_exit.
> >
> > Signed-off-by: Ian Rogers
>
> for the patchset
>
> Acked-by: Jiri Olsa
Thanks, added to the csets I had applied
Em Wed, Mar 17, 2021 at 02:51:42PM -0700, Andi Kleen escreveu:
> > If you care about not breaking existing scripts, then the output they
> > get with what they use as command line options must continue to produce
> > the same output.
>
> It's not clear there are any useful ones (except for tools
Em Wed, Mar 17, 2021 at 08:17:52PM +0800, Jin, Yao escreveu:
> Hi Jiri,
>
> On 3/17/2021 6:06 PM, Jiri Olsa wrote:
> > On Wed, Mar 17, 2021 at 10:12:03AM +0800, Jin, Yao wrote:
> > >
> > >
> > > On 3/16/2021 10:04 PM, Jiri Olsa wrote:
> > > > On Tue, Mar 16, 2021 at 09:49:42AM +0800, Jin, Yao
Em Wed, Mar 17, 2021 at 04:32:17PM +0300, Alexander Monakov escreveu:
> On Wed, 17 Mar 2021, Peter Zijlstra wrote:
> > On Wed, Mar 17, 2021 at 09:48:29AM +0100, Ingo Molnar wrote:
> > > > https://developer.amd.com/wp-content/resources/56323-PUB_0.78.pdf
> > > 1215 IBS (Instruction Based
Em Wed, Mar 17, 2021 at 03:02:05PM +0800, Jin Yao escreveu:
> perf-stat has supported the summary mode. But the summary
> lines break the CSV output so it's hard for scripts to parse
> the result.
>
> Before:
>
> # perf stat -x, -I1000 --interval-count 1 --summary
>
Em Wed, Mar 17, 2021 at 02:29:28PM +0900, Namhyung Kim escreveu:
> Hi Song,
>
> On Wed, Mar 17, 2021 at 6:18 AM Song Liu wrote:
> >
> > perf uses performance monitoring counters (PMCs) to monitor system
> > performance. The PMCs are limited hardware resources. For example,
> > Intel CPUs have 3x
Em Tue, Mar 16, 2021 at 09:34:21AM -0700, Andi Kleen escreveu:
> > looks ok, but maybe make the option more related to CVS, like:
> >
> > --x-summary, --cvs-summary ...?
>
> Actually I don't think it should be a new option. I doubt
> anyone could parse the previous mess. So just make it
ds to
info->jited_ksyms == NULL. In order to solve this problem, Add a
check before use.
Also plug some leaks on the error path.
> Suggested-by: Jiri Olsa
> Cc: Peter Zijlstra
> Cc: Ingo Molnar
> Cc: Arnaldo Carvalho de Melo
> Cc: Mark Rutland
> Cc: A
Em Tue, Mar 16, 2021 at 10:17:59AM +0800, Yang Jihong escreveu:
> In hist__find_annotations function, since different hist_entry may point to
> same
> symbol, we free notes->src to signal already processed this symbol in stdio
> mode;
> when annotate, entry will skipped if notes->src is NULL to
Em Tue, Mar 16, 2021 at 11:28:12AM +0900, Namhyung Kim escreveu:
> On Mon, Mar 15, 2021 at 10:28 PM Jiri Olsa wrote:
> >
> > On Mon, Mar 15, 2021 at 01:56:41PM +0900, Namhyung Kim wrote:
> > > I got several memory leak reports from Asan with a simple command. It
> > > was because VDSO is not
Em Tue, Mar 09, 2021 at 11:59:18AM -0500, Masayoshi Mizuma escreveu:
> On Mon, Mar 08, 2021 at 07:53:41PM +0900, Shunsuke Nakamura wrote:
> > Add pmu events for A64FX.
> >
> > Documentation source:
> > https://github.com/fujitsu/A64FX/blob/master/doc/A64FX_PMU_Events_v1.2.pdf
>
> The PMU events
Em Wed, Mar 10, 2021 at 12:38:02PM +0100, Jiri Olsa escreveu:
> On Wed, Mar 10, 2021 at 01:11:38PM +0800, Jin Yao wrote:
> > Warnings are reported for invalid bits.
> >
> > Co-developed-by: Jiri Olsa
> > Signed-off-by: Jin Yao
>
> Reviewed-by: Jiri Olsa
Thanks, applied.
- Arnaldo
Em Fri, Mar 12, 2021 at 06:52:39PM +, Song Liu escreveu:
> > On Mar 12, 2021, at 6:24 AM, Arnaldo Carvalho de Melo
> > wrote:
> > Em Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu escreveu:
> >> perf uses performance monitoring counters (PMCs) to monitor system
Em Fri, Mar 12, 2021 at 04:07:42PM +, Song Liu escreveu:
>
>
> > On Mar 12, 2021, at 6:24 AM, Arnaldo Carvalho de Melo
> > wrote:
> >
> > Em Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu escreveu:
> >> perf uses performance monitoring counters (P
Em Thu, Mar 11, 2021 at 06:02:57PM -0800, Song Liu escreveu:
> perf uses performance monitoring counters (PMCs) to monitor system
> performance. The PMCs are limited hardware resources. For example,
> Intel CPUs have 3x fixed PMCs and 4x programmable PMCs per cpu.
>
> Modern data center systems
Em Wed, Mar 10, 2021 at 12:48:36PM +0100, Jiri Olsa escreveu:
> On Tue, Mar 09, 2021 at 03:49:45PM -0800, Ian Rogers wrote:
> > Account for alignment bytes in the zero-ing memset.
> >
> > Signed-off-by: Ian Rogers
> > ---
> > tools/perf/util/synthetic-events.c | 9 +
> > 1 file changed,
Em Tue, Mar 09, 2021 at 12:04:47PM +0100, Thomas Richter escreveu:
> perf build fails on 5.12.0rc2 on s390 with this error message:
>
> util/synthetic-events.c: In function
> ‘__event__synthesize_thread.part.0.isra’:
> util/synthetic-events.c:787:19: error:
Em Mon, Mar 08, 2021 at 08:54:37AM -0800, Andi Kleen escreveu:
> On Mon, Mar 08, 2021 at 05:11:43PM +0200, Adrian Hunter wrote:
> > The only requirement of an auxtrace queue is that the buffers are in
> > time order. That is achieved by making separate queues for separate
> > perf buffer or AUX
Em Tue, Mar 09, 2021 at 06:11:09PM +0800, Jiapeng Chong escreveu:
> Fix the following coccicheck warnings:
>
> ./tools/perf/util/machine.c:2041:9-10: WARNING: return of 0/1 in
> function 'symbol__match_regex' with return type bool.
Thanks, applied.
- Arnaldo
> Reported-by: Abaci Robot
>
Em Tue, Mar 09, 2021 at 05:12:25PM +0800, Jiapeng Chong escreveu:
> Fix the following cppcheck warnings:
>
> ./tools/perf/tests/demangle-ocaml-test.c:29:34-35: WARNING: Use
> ARRAY_SIZE.
Thanks, applied.
- Arnaldo
> Reported-by: Abaci Robot
> Signed-off-by: Jiapeng Chong
> ---
>
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