o perf ftrace -F vfs_*
> vfs_fadvise
> vfs_fallocate
> vfs_truncate
> vfs_open
> vfs_setpos
> vfs_llseek
> vfs_readf
> vfs_writef
> ...
I'll process these now, the urgent ones were already sent to Linus, so I
will now concentrate on the new stuff for v5.10,
Thanks for working on thi
Em Fri, Sep 04, 2020 at 09:25:02PM +0800, Yuehaibing escreveu:
> On 2020/9/4 2:55, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Sep 03, 2020 at 03:54:51PM -0300, Arnaldo Carvalho de Melo escreveu:
> >>>> Fixes: 13edc237200c ("perf bench: Add a multi-threaded
Em Fri, Sep 04, 2020 at 10:38:35AM +0900, Namhyung Kim escreveu:
> On Fri, Sep 4, 2020 at 3:41 AM Arnaldo Carvalho de Melo
> wrote:
> > Em Thu, Sep 03, 2020 at 10:47:39AM -0700, Ian Rogers escreveu:
> > > On Thu, Sep 3, 2020 at 8:25 AM Namhyung Kim wrote:
> > >
ERR_PTR() in 'perf bench'.
Signed-off-by: Arnaldo Carvalho de Melo
Arnaldo Carvalho de Melo (1):
perf parse-events: Use uintptr_t when casting numbers to pointers
Jin Yao (1):
perf stat: Turn off summary for interval mode
Em Wed, Sep 02, 2020 at 08:03:08PM +0300, Alexey Budankov escreveu:
>
> On 02.09.2020 13:57, Adrian Hunter wrote:
> > Enable the --control option to accept file names as an alternative to
> > file descriptors.
> >
> > Example:
> >
> > $ mkfifo perf.control
> > $ mkfifo perf.ack
> > $ cat
Em Wed, Sep 02, 2020 at 07:12:43PM +0300, Alexey Budankov escreveu:
>
> On 01.09.2020 12:37, Adrian Hunter wrote:
> > The --control option does not display well in man pages unless AsciiDoc
> > formatting is used.
> >
> > Signed-off-by: Adrian Hunter
> > ---
> >
Em Wed, Sep 02, 2020 at 07:11:14PM +0300, Alexey Budankov escreveu:
>
> On 01.09.2020 12:37, Adrian Hunter wrote:
> > Handle read errors from ctl_fd such as EINTR, EAGAIN and EWOULDBLOCK.
> >
> > Signed-off-by: Adrian Hunter
> > ---
> > tools/perf/util/evlist.c | 16 +++-
> > 1
Em Wed, Sep 02, 2020 at 07:06:51PM +0300, Alexey Budankov escreveu:
>
> On 01.09.2020 12:37, Adrian Hunter wrote:
> > Consolidate --control option parsing into one function, in preparation for
> > adding FIFO file name options.
> >
> > Signed-off-by: Adrian Hunter
> > ---
> >
Em Thu, Sep 03, 2020 at 09:20:35PM +0200, Daniel Borkmann escreveu:
> Hi Arnaldo,
>
> On 9/3/20 9:03 PM, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Aug 27, 2020 at 10:53:36AM +0200, Jesper Dangaard Brouer escreveu:
> > > The system for "Auto-detecting system featur
Em Wed, Aug 26, 2020 at 11:30:17PM +0200, Jiri Olsa escreveu:
> When validating kcore modules the do_validate_kcore_modules
> function checks on every kernel module dso against modules
> record. The __map__is_kmodule check is used to get only
> kernel module dso objects through.
>
> Currently the
Em Thu, Aug 27, 2020 at 10:53:36AM +0200, Jesper Dangaard Brouer escreveu:
> The system for "Auto-detecting system features" located under
> tools/build/ are (currently) used by perf, libbpf and bpftool. It can
> contain stalled feature detection files, which are not cleaned up by
> libbpf and
; Signed-off-by: Kim Phillips
> Fixes: 2055fdaf8703 ("perf list: Document precise event sampling for AMD IBS")
> Cc: Peter Zijlstra
> Cc: Ingo Molnar
> Cc: Arnaldo Carvalho de Melo
> Cc: Mark Rutland
> Cc: Alexander Shishkin
> Cc: Jiri Olsa
> Cc: Namhy
Em Thu, Sep 03, 2020 at 03:54:51PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Sep 03, 2020 at 03:53:01PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Wed, Sep 02, 2020 at 10:05:26PM +0800, YueHaibing escreveu:
> > > In case of error, the function perf_session__new
Em Thu, Sep 03, 2020 at 03:53:01PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Sep 02, 2020 at 10:05:26PM +0800, YueHaibing escreveu:
> > In case of error, the function perf_session__new() returns ERR_PTR()
> > and never returns NULL. The NULL test in the return value c
Em Wed, Sep 02, 2020 at 10:05:26PM +0800, YueHaibing escreveu:
> In case of error, the function perf_session__new() returns ERR_PTR()
> and never returns NULL. The NULL test in the return value check
> should be replaced with IS_ERR()
>
> Fixes: 13edc237200c ("perf bench: Add a multi-threaded
Em Thu, Sep 03, 2020 at 09:01:13AM +0800, Jin Yao escreveu:
> There's a risk that outputting interval mode summaries by default
> breaks CSV consumers. It already broke pmu-tools/toplev.
>
> So now we turn off the summary by default but we create a new
> option '--summary' to enable the summary.
Hi Ian,
Please check that this is ok with you,
Thanks,
- Arnaldo
commit 0823f768b800cca2592fad3b5649766ae6bc4eba
Author: Arnaldo Carvalho de Melo
Date: Thu Sep 3 15:34:20 2020 -0300
perf parse-events: Use uintptr_t when casting numbers to pointers
To address
Em Thu, Sep 03, 2020 at 10:47:39AM -0700, Ian Rogers escreveu:
> On Thu, Sep 3, 2020 at 8:25 AM Namhyung Kim wrote:
> > The new string should have enough space for the original string and
> > the back slashes IMHO.
> > Cc: John Garry
> > Cc: Kajol Jain
> > Cc: Ian Rogers
> > Signed-off-by:
Em Wed, Sep 02, 2020 at 09:25:19PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Aug 21, 2020 at 06:52:36PM +0200, Remi Bernon escreveu:
> > Wine generates PE binaries for most of its modules and perf is unable
> > to parse these files to get build_id or .gnu_de
olve debug file location regardless of the dso binary format.
>
> Signed-off-by: Remi Bernon
> Cc: Alexander Shishkin
> Cc: Arnaldo Carvalho de Melo
> Cc: Ingo Molnar
> Cc: Jiri Olsa
> Cc: Mark Rutland
> Cc: Namhyung Kim
> Cc: Peter Zijlstra
> Cc: Jacek C
Em Tue, Sep 01, 2020 at 07:43:33PM -0700, Linus Torvalds escreveu:
> On Tue, Sep 1, 2020 at 3:42 PM Arnaldo Carvalho de Melo
> wrote:
> >
> > - The SNOOPX and REMOTE offsets in the data_src bitmask in perf records were
> > were both 37, SNOOPX is 38, fix it.
>
&g
Em Thu, Aug 27, 2020 at 12:17:32PM +0530, Kajol Jain escreveu:
> Commit 2ed6edd33a21 ("perf: Add cond_resched() to task_function_call()")
> added assignment of ret value as -EAGAIN in case function
> call to 'smp_call_function_single' fails.
> For non-zero ret value, it did
> 'ret = !ret ?
Em Wed, Sep 02, 2020 at 01:09:42PM +0100, Al Grant escreveu:
> On 01/09/2020 22:26, Joe Mario wrote:
> > On 9/1/20 4:46 PM, Jiri Olsa wrote:
> > > On Tue, Sep 01, 2020 at 10:17:19PM +0200, Jiri Olsa wrote:
> > > > On Thu, Aug 20, 2020 at 02:48:58PM +0100, Al Grant wrote:
> > > > I'm getting
Em Wed, Sep 02, 2020 at 08:39:32AM +0800, Leo Yan escreveu:
> On Tue, Sep 01, 2020 at 11:54:32AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Aug 31, 2020 at 08:04:32AM +0800, Leo Yan escreveu:
> > > On Thu, Aug 27, 2020 at 02:53:54PM -0600, Mathieu Poirier wrote:
>
rmats on 32-bit.
- Correct the help info of "perf record --no-bpf-event" option.
- Add entries for CoreSight and Arm SPE tooling to MAINTAINERS.
Signed-off-by: Arnaldo Carvalho de Melo
Al Grant (3):
perf cs-etm: Fix corrupt data after perf inject from
perf intel-pt: Fix corrupt data afte
Hi Tzvetomir,
I noticed this:
27 debian:experimental-x-mips: Ok mips-linux-gnu-gcc (Debian 8.3.0-19)
8.3.0
29 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 9.2.1-8)
9.2.1 20190909
64 ubuntu:16.04-x-powerpc: Ok powerpc-linux-gnu-gcc (Ubuntu
Em Thu, Aug 27, 2020 at 09:10:09AM +1000, Stephen Rothwell escreveu:
> Hi all,
>
> On Thu, 27 Aug 2020 08:38:39 +1000 Stephen Rothwell
> wrote:
> >
> > /home/sfr/next/next/tools/perf/util/namespaces.c: In function 'nsinfo__new':
> > /home/sfr/next/next/tools/perf/util/namespaces.c:139:12: note:
Em Thu, Aug 20, 2020 at 02:48:58PM +0100, Al Grant escreveu:
> "perf c2c report" can show load counts for cache lines, which don't match
> the actual number of load samples, e.g. as displayed by "perf script". This
> is specific to "Remote Any cache hit" loads. Firstly, these loads are
> counted
Em Wed, Aug 26, 2020 at 10:42:04AM +0100, Al Grant escreveu:
> When perf inject reads a perf.data file from an older version of perf,
> it writes event attributes into the output with the original size field,
> but lays them out as if they had the size currently used. Readers see
> a corrupt file.
Em Thu, Aug 27, 2020 at 03:48:29PM +0200, Jiri Olsa escreveu:
> Disable ordered_events for report raw dump, because
> for raw dump we want to see events as they are stored
> in the perf.data file, not sorted by time.
Applied to perf/urgent,
Thanks,
- Arnaldo
> Signed-off-by: Jiri Olsa
> ---
Em Tue, Sep 01, 2020 at 05:12:04PM +0200, pet...@infradead.org escreveu:
> On Tue, Sep 01, 2020 at 12:06:30PM -0300, Arnaldo Carvalho de Melo wrote:
>
> > Also you mixed up tools/ with include/ things, the perf part of the
> > kernel is maintained by Ingo, PeterZ.
&g
Em Tue, Sep 01, 2020 at 12:02:25PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Aug 26, 2020 at 03:33:35PM +0100, Al Grant escreveu:
> > On 26/08/2020 15:26, Arnaldo Carvalho de Melo wrote:
> > > Em Tue, Aug 25, 2020 at 10:40:43AM -0700, Andi Kleen escreveu:
> >
Em Wed, Aug 26, 2020 at 03:33:35PM +0100, Al Grant escreveu:
> On 26/08/2020 15:26, Arnaldo Carvalho de Melo wrote:
> > Em Tue, Aug 25, 2020 at 10:40:43AM -0700, Andi Kleen escreveu:
> > > On Mon, Aug 24, 2020 at 10:28:34AM +0100, Al Grant wrote:
> > > > perf_
Em Mon, Aug 31, 2020 at 08:04:32AM +0800, Leo Yan escreveu:
> Hi Mathieu,
>
> On Thu, Aug 27, 2020 at 02:53:54PM -0600, Mathieu Poirier wrote:
> > Hi Leo and Al,
> >
> > On Wed, Aug 19, 2020 at 04:47:50PM +0800, Leo Yan wrote:
> > > From: Al Grant
> > >
> > > Commit 42bbabed09ce ("perf tools:
Em Mon, Aug 31, 2020 at 02:38:32PM -0600, Mathieu Poirier escreveu:
> On Wed, Aug 19, 2020 at 04:47:51PM +0800, Leo Yan wrote:
> > From: Al Grant
> >
> > Commit 42bbabed09ce ("perf tools: Add hw_idx in struct branch_stack")
> > changed the format of branch stacks in perf samples. When samples
Em Tue, Aug 25, 2020 at 10:40:43AM -0700, Andi Kleen escreveu:
> On Mon, Aug 24, 2020 at 10:28:34AM +0100, Al Grant wrote:
> > perf_event.h has macros that define the field offsets in the
> > data_src bitmask in perf records. The SNOOPX and REMOTE offsets
> > were both 37. These are distinct
Em Wed, Aug 26, 2020 at 03:02:36PM +0530, Kajol Jain escreveu:
> Commit 2ed6edd33a21 ("perf: Add cond_resched() to task_function_call()")
> added assignment of ret value as -EAGAIN in case function
> call to 'smp_call_function_single' fails.
> For non-zero ret value, it did
> 'ret = !ret ?
Em Wed, Aug 26, 2020 at 01:34:18PM +0200, Jiri Olsa escreveu:
> On Tue, Aug 25, 2020 at 09:29:10PM -0700, Ian Rogers wrote:
> > With a fake_pmu the pmu_info isn't populated by perf_pmu__check_alias.
> > In this case, don't try to copy the uninitialized values to the evsel.
> >
> > Signed-off-by:
Em Tue, Aug 25, 2020 at 09:14:42AM +0200, Jiri Olsa escreveu:
> On Tue, Aug 25, 2020 at 08:33:04AM +0200, Thomas Richter wrote:
>
> SNIP
>
> > diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
> > index 57d0706e1330..cbe836649f84 100644
> > ---
Em Tue, Aug 25, 2020 at 02:04:30PM -0700, Ian Rogers escreveu:
> On Tue, Aug 25, 2020 at 12:12 AM Thomas Richter wrote:
> > Linux 5.9 introduced perf test case "Parse and process metrics" and
> > on s390 this test case always dumps core:
> Acked-by: Ian Rogers
>
> This also shows up with
Em Tue, Aug 25, 2020 at 02:04:30PM -0700, Ian Rogers escreveu:
> On Tue, Aug 25, 2020 at 12:12 AM Thomas Richter wrote:
> >
> > Linux 5.9 introduced perf test case "Parse and process metrics" and
> > on s390 this test case always dumps core:
> > Signed-off-by: Thomas Richter
> > Reviewed-by:
Em Tue, Aug 25, 2020 at 03:54:37PM +0800, Jin, Yao escreveu:
> Hi Arnaldo,
>
> On 8/19/2020 11:05 AM, Like Xu wrote:
> > Hi Arnaldo,
> >
> > On 2020/8/17 10:32, Jin, Yao wrote:
> > > Hi Arnaldo,
> > >
> > > On 8/14/2020 8:47 PM, Arnaldo Carv
Em Wed, Aug 19, 2020 at 03:38:30PM +, Song Liu escreveu:
>
>
> > On Aug 18, 2020, at 8:19 PM, Wei Li wrote:
> >
> > The help info of option "--no-bpf-event" is wrongly described as
> > "record bpf events", correct it.
> >
> > Fixes: 71184c6ab7e6 ("perf record: Replace option --bpf-event
Cc: Peter Zijlstra
> Cc: Ingo Molnar
> cc: Arnaldo Carvalho de Melo
> ---
> tools/perf/util/session.c | 2 +-
> tools/perf/util/zstd.c| 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
> ind
Em Fri, Aug 21, 2020 at 10:05:31AM +0100, Will Deacon escreveu:
> On Thu, Aug 20, 2020 at 11:55:10AM -0600, Mathieu Poirier wrote:
> > Add entries for perf tools elements related to the support of Arm CoreSight
> > and Arm SPE. Also lump in Arm and Arm64 architecture files to provide
> >
Em Fri, Jul 24, 2020 at 04:32:18PM +0800, Leo Yan escreveu:
> Hi Wei,
>
> On Fri, Jul 24, 2020 at 03:26:28PM +0800, Wei Li wrote:
> > In arm_spe_read_record(), when we are processing an events packet,
> > 'decoder->packet.index' is the length of payload, which has been
> > transformed in
Em Tue, Aug 18, 2020 at 08:30:37PM +0800, Tiezhu Yang escreveu:
> When I execute perf top without HAVE_LIBBPF_SUPPORT, there exists the
> following segmentation fault, skip the side-band event setup to fix it,
> this is similar with commit 1101c872c8c7 ("perf record: Skip side-band
> event setup
Em Tue, Aug 18, 2020 at 10:29:29AM +0900, Namhyung Kim escreveu:
> Hi David,
>
> On Tue, Aug 18, 2020 at 2:09 AM David Ahern wrote:
> >
> > Do not update thread stats or show idle summary unless CPU is in
> > the list of interest.
> >
> > Fixes: c30d630d1bcf ("perf sched timehist: Add support
er of processes in "2x3-convergence" test
perf bench numa: Fix benchmark names
perf bench numa: Fix cpumask memory leak in node_has_cpus()
perf bench numa: Use numa_node_to_cpus() to bind tasks to nodes
Arnaldo Carvalho de Melo (6):
perf trace beauty: Add scrip
Em Fri, Aug 14, 2020 at 09:12:50AM -0300, Arnaldo Carvalho de Melo escreveu:
> > It indicates that the argument is in units of 'pages', while you don't
> > state that in:
> >
> > $ perf ftrace -h -m
> >
> > -m, --buffer-size
> >
Em Fri, Aug 14, 2020 at 09:21:20AM +0800, Jin Yao escreveu:
> Currently if we run 'perf record -e cycles:u', exclude_guest=0.
>
> But it doesn't make sense in most cases that we request for
> user-space counting but we also get the guest report.
>
> Of course, we also need to consider perf kvm
Em Fri, Aug 14, 2020 at 11:20:42AM +0530, kajoljain escreveu:
>
>
> On 8/14/20 9:13 AM, Ian Rogers wrote:
> > On Thu, Aug 13, 2020 at 3:21 PM Paul A. Clarke wrote:
> >>
> >> These changes take advantage of the new capability added in
> >> merge commit 00e4db51259a5f936fec1424b884f029479d3981
>
Em Fri, Aug 14, 2020 at 06:44:54PM +0800, Peng Fan escreveu:
> In the function parse_nodes_opt(), the statement "return 0;" is dead
> code, remove it.
Thanks, applied.
- Arnaldo
> Signed-off-by: Peng Fan
> ---
> tools/perf/bench/numa.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff
Em Sat, Aug 08, 2020 at 10:31:23AM +0800, Changbin Du escreveu:
> The perf has basic kernel ftrace support but lack support of most tracing
> options. This serias is target to enhance the perf ftrace functionality so
> that we can make full use of kernel ftrace with perf.
>
> In general, this
Em Sat, Aug 08, 2020 at 10:31:36AM +0800, Changbin Du escreveu:
> This adds an option '--graph-opts thresh' to setup trace duration
> threshold for funcgraph tracer.
Applied, please consider making --duration an alias for this, as this is
also available in 'perf trace':
[root@quaco ~]# perf
Em Sat, Aug 08, 2020 at 10:31:34AM +0800, Changbin Du escreveu:
> This adds support to display irq context info for function tracer. To do
> this, just specify a '--func-opts irq-info' option.
Applied, ditto about adding an example to perf-ftrace.txt
> Signed-off-by: Changbin Du
> ---
>
Em Sat, Aug 08, 2020 at 10:31:33AM +0800, Changbin Du escreveu:
> This adds an option '--graph-opts noirqs' to filter out functions executed
> in irq context.
ditto, no example provided, please consider adding an example +
explanation to perf-ftrace.txt.
> Signed-off-by: Changbin Du
>
> ---
>
Em Sat, Aug 08, 2020 at 10:31:32AM +0800, Changbin Du escreveu:
> This adds an option '--graph-opts nosleep-time' which allow us
> only to measure on-CPU time. This option is function_graph tracer
> only.
Here an example showing its usage would be great. Even better, on
perf-ftrace.txt, so that
Em Sat, Aug 08, 2020 at 10:31:31AM +0800, Changbin Du escreveu:
> This adds support to display call trace for function tracer. To do this,
> just specify a '--func-opts call-graph' option.
Applied, thanks for providing the usage example and the output of the
tool, please consider making this more
Em Fri, Aug 14, 2020 at 08:53:18AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Sat, Aug 08, 2020 at 10:31:27AM +0800, Changbin Du escreveu:
> > This adds an option '-m/--buffer-size' to allow us set the size of per-cpu
> > tracing buffer.
> >
> > Signed-o
Em Sat, Aug 08, 2020 at 10:31:29AM +0800, Changbin Du escreveu:
> This adds an option '--inherit' to allow us trace children
> processes spawned by our target.
One thing I'm missing from your commit log messages is the exact
sequence of commands and the outputs for the options you're introducing.
Em Fri, Aug 14, 2020 at 08:56:55AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Sat, Aug 08, 2020 at 10:31:28AM +0800, Changbin Du escreveu:
> > This makes perf-ftrace display column header before printing trace.
> >
> > $ sudo perf ftrace
> > # tracer: funct
Em Sat, Aug 08, 2020 at 10:31:28AM +0800, Changbin Du escreveu:
> This makes perf-ftrace display column header before printing trace.
>
> $ sudo perf ftrace
> # tracer: function
> #
> # entries-in-buffer/entries-written: 0/0 #P:8
> #
> #TASK-PID CPU# TIMESTAMP
Em Sat, Aug 08, 2020 at 10:31:27AM +0800, Changbin Du escreveu:
> This adds an option '-m/--buffer-size' to allow us set the size of per-cpu
> tracing buffer.
>
> Signed-off-by: Changbin Du
So this is a little bit confusing, i.e. if I don't specify a suffix (B,
K, M, G) I get:
# perf ftrace
Em Sat, Aug 08, 2020 at 10:31:25AM +0800, Changbin Du escreveu:
> This adds an option '-F/--funcs' to list all available functions to trace,
> which is read from tracing file 'available_filter_functions'.
>
> $ sudo ./perf ftrace -F | head
> trace_initcall_finish_cb
> initcall_blacklisted
>
wrote:
> > > On Wed, Aug 12, 2020 at 03:53:34PM -0300, Arnaldo Carvalho de Melo wrote:
> > > > Em Wed, Aug 12, 2020 at 10:06:53AM -0600, Mathieu Poirier escreveu:
> > > > > The ARM SPE perf tools code is orphan and I don't have the cycles to
> > >
Em Thu, Aug 13, 2020 at 05:37:38PM +0530, Srikar Dronamraju escreveu:
>
> Looks good to me.
>
> Reviewed-by: Srikar Dronamraju
Thanks, applied.
- Arnaldo
Em Thu, Aug 13, 2020 at 05:36:49PM +0530, Srikar Dronamraju escreveu:
> Looks good to me.
>
> Reviewed-by: Srikar Dronamraju
Thanks, applied.
- Arnaldo
Em Wed, Aug 12, 2020 at 07:31:32PM -0700, Tom Hebb escreveu:
> On Wed, Aug 12, 2020 at 3:15 PM Daniel Díaz wrote:
> > Makefile.config:414: *** No gnu/libc-version.h found, please install
> > glibc-dev[el]. Stop.
> > Makefile.perf:230: recipe for target 'sub-make' failed
> > make[1]: ***
Em Wed, Aug 12, 2020 at 10:06:53AM -0600, Mathieu Poirier escreveu:
> Hi Arnaldo,
>
> On Fri, 7 Aug 2020 at 01:16, Leo Yan wrote:
> >
> > This patch set is to enable Arm arch timer counter and Arm SPE is the
> > first customer to use arch timer counter for its timestamp.
> >
> > Patches 01 ~ 03
Em Wed, Aug 12, 2020 at 09:15:04AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Aug 12, 2020 at 02:59:53PM +0800, Jin Yao escreveu:
> > Currently if we run 'perf record -e cycles:u', exclude_guest is 0.
> >
> > But it doesn't make sense that we request for user-spac
Em Fri, Aug 07, 2020 at 01:32:25PM -0600, Rob Herring escreveu:
> Commit 3ce311afb558 ("libperf: Move to tools/lib/perf") moved libperf
> out of tools/perf/, but failed to update MAINTAINERS.
Thanks, applied.
- Arnaldo
> Cc: Peter Zijlstra
> Cc: Ingo Molnar
> Cc:
Em Fri, Aug 07, 2020 at 01:32:41PM -0600, Rob Herring escreveu:
> Fix various typos and inconsistent capitalization of CPU in the libperf
> man pages.
Thanks, applied,
- Arnaldo
> Cc: Peter Zijlstra
> Cc: Ingo Molnar
> Cc: Arnaldo Carvalho de Melo
> Cc: Mark Rutlan
Em Mon, Aug 10, 2020 at 03:34:04PM +0200, Vincent Whitchurch escreveu:
> For memcpy, the source pages are memset to zero only when --cycles is
> used. This leads to wildly different results with or without --cycles,
> since all sources pages are likely to be mapped to the same zero page
> without
Em Mon, Aug 10, 2020 at 02:24:26PM -0700, Kan Liang escreveu:
> The Bitwise-Shift operator (1U << ) is used in the enum
> perf_output_field, which has already reached its capacity (32 items).
> If more items are added, a compile error will be triggered.
>
> Change the U to ULL, which extend the
Em Tue, Aug 11, 2020 at 03:42:45PM +0900, Namhyung Kim escreveu:
> Hi David,
>
> On Sat, Aug 8, 2020 at 1:48 AM David Ahern wrote:
> >
> > Commit fbd705a0c618 ("sched: Introduce the 'trace_sched_waking' tracepoint")
> > added sched_waking tracepoint which should be preferred over sched_wakeup
>
Em Wed, Aug 12, 2020 at 02:59:53PM +0800, Jin Yao escreveu:
> Currently if we run 'perf record -e cycles:u', exclude_guest is 0.
>
> But it doesn't make sense that we request for user-space counting
> but we also get the guest report.
>
> To keep perf semantics consistent and clear, this patch
Em Wed, Aug 12, 2020 at 07:46:47AM +0100, Colin King escreveu:
> From: Colin Ian King
>
> There are a couple of spelling mistakes in the text. Fix these.
Thanks, applied.
- Arnaldo
> Signed-off-by: Colin Ian King
> ---
> tools/perf/bench/find-bit-bench.c | 4 ++--
> 1 file changed, 2
veral benchmarks names do not correspond to their actual
> running configuration. Fix that and also some whitespace
> and comment inconsistencies.
Looks, ok, applied.
- Arnaldo
> Cc: Peter Zijlstra
> Cc: Ingo Molnar
> Cc: Arnaldo Carvalho de Melo
> Cc: Mark Rutland
> Cc: Alexander
Em Tue, Aug 11, 2020 at 04:27:35PM +0900, Namhyung Kim escreveu:
> On Mon, Aug 10, 2020 at 3:22 PM Alexander Gordeev
> wrote:
> >
> > Cc: Peter Zijlstra
> > Cc: Ingo Molnar
> > Cc: Arnaldo Carvalho de Melo
> > Cc: Mark Rutland
> > Cc: Alexander Shi
Em Wed, Jul 22, 2020 at 11:20:53AM +0200, Thomas Richter escreveu:
> Fix a compile error on F32 and gcc version 10.1 on s390 in file
> utils/stat-display.c. The error does not show up with make DEBUG=y.
> In fact the issue shows up when using both compiler options
> -O6 and -D_FORTIFY_SOURCE=2
Em Fri, Aug 07, 2020 at 01:50:47PM -0600, David Ahern escreveu:
> On 8/7/20 1:43 PM, Arnaldo Carvalho de Melo wrote:
> >> @@ -2958,9 +2967,10 @@ static int timehist_check_attr(struct perf_sched
> >> *sched,
> >>
> >> static int perf_s
duce --control fd:ctl-fd[,ack-fd] options
perf evsel: Extend message to mention CAP_SYS_PTRACE and perf security
doc link
Anju T Sudhakar (1):
perf tools powerpc: Add support for extended register capability
Arnaldo Carvalho de Melo (17):
perf parse: Provide a way to pass a fake
Em Fri, Aug 07, 2020 at 10:48:44AM -0600, David Ahern escreveu:
> Commit fbd705a0c618 ("sched: Introduce the 'trace_sched_waking' tracepoint")
> added sched_waking tracepoint which should be preferred over sched_wakeup
> when analyzing scheduling delays.
>
> Update 'perf sched record' to collect
Em Fri, Aug 07, 2020 at 09:16:29AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Aug 07, 2020 at 09:09:56AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Fri, Aug 07, 2020 at 09:08:24AM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Thu, Aug 06, 2020 at 09:43:57P
Em Fri, Aug 07, 2020 at 09:09:56AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Aug 07, 2020 at 09:08:24AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Thu, Aug 06, 2020 at 09:43:57PM +0200, Jiri Olsa escreveu:
> > > On Wed, Aug 05, 2020 at 10:29:37AM +0800, Jin Yao
Em Fri, Aug 07, 2020 at 09:08:24AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Aug 06, 2020 at 09:43:57PM +0200, Jiri Olsa escreveu:
> > On Wed, Aug 05, 2020 at 10:29:37AM +0800, Jin Yao wrote:
> > > We received an error report that perf-record caused 'Segmentation fault
Em Thu, Aug 06, 2020 at 09:43:57PM +0200, Jiri Olsa escreveu:
> On Wed, Aug 05, 2020 at 10:29:37AM +0800, Jin Yao wrote:
> > We received an error report that perf-record caused 'Segmentation fault'
> > on a newly system (e.g. on the new installed ubuntu).
> >
> > (gdb) backtrace
> > #0
Em Wed, Aug 05, 2020 at 11:34:41AM +0200, Jiri Olsa escreveu:
> Moving clockid_res_ns under clock struct, so we have
> clock related stuff in one place.
Thanks, applied.
- Arnaldo
> Signed-off-by: Jiri Olsa
> ---
> tools/perf/builtin-record.c | 6 +++---
> tools/perf/util/env.h | 2 +-
monitoring more secure by reducing
> attack surface.
Acked-by: Arnaldo Carvalho de Melo
Peter, can you pick up this one? You said it was ok last time we
discussed this.
- Arnaldo
> [1]
> https://lore.kernel.org/lkml/7776fa40-6c65-2aa6-1322-eb3a01201...@linux.intel.com/
>
>
Em Wed, Aug 05, 2020 at 11:34:43AM +0200, Jiri Olsa escreveu:
> So it's possible to add new values. I did not find any place
> where the enum values are passed through some number type,
> so it's safe to make this change.
Thanks, applied.
- Arnaldo
> Signed-off-by: Jiri Olsa
> ---
>
Em Wed, Aug 05, 2020 at 11:34:38AM +0200, Jiri Olsa escreveu:
> Move parse_clockid and all needed clcckid related stuff
> into clockid object. We are going to add clockid_name
> function in following change, so it's better it's placed
> in separated object and not in builtin-record.c.
>
> No
Em Mon, Jul 20, 2020 at 03:25:02PM -0700, Andi Kleen escreveu:
> But looks overall the patches look good to me now.
> (for the whole series)
> Reviewed-by: Andi Kleen
Thanks, applied.
- Arnaldo
Em Wed, Aug 05, 2020 at 11:34:44AM +0200, Jiri Olsa escreveu:
> Adding tod field to display time of day column with
> time of date (wallclock) time.
>
> # perf record -k CLOCK_MONOTONIC kill
> kill: not enough arguments
> [ perf record: Woken up 1 times to write data ]
> [ perf record:
Em Wed, Aug 05, 2020 at 10:31:20AM +0300, Alexey Budankov escreveu:
>
> Adjust limited access message to mention CAP_SYS_PTRACE capability
> for processes of unprivileged users. Add link to perf security
> document in the end of the section about capabilities.
> The change has been inspired by
Em Wed, Aug 05, 2020 at 11:34:42AM +0200, Jiri Olsa escreveu:
> Adding support to convert and store time of day in CTF
> data conversion for 'perf data convert' subcommand.
>
> The perf.data used for conversion needs to have clock data
> information - must be recorded with -k/--clockid option).
>
Em Wed, Aug 05, 2020 at 11:34:40AM +0200, Jiri Olsa escreveu:
> Adding new CLOCK_DATA feature that stores reference times
> when -k/--clockid option is specified.
>
> It contains clock id and its reference time together with
> wall clock time taken at the 'same time', both values are
> in
On August 5, 2020 9:14:48 PM GMT-03:00, Changbin Du
wrote:
>On Tue, Aug 04, 2020 at 09:51:15AM -0300, Arnaldo Carvalho de Melo
>wrote:
>> Em Sat, Jul 18, 2020 at 02:48:09PM +0800, Changbin Du escreveu:
>> > The '-g/-G' options have already implied function_graph tracer
Em Tue, Aug 04, 2020 at 04:34:36PM +0300, Adrian Hunter escreveu:
> On 10/07/20 6:10 pm, Adrian Hunter wrote:
> > Hi
> >
> > Here are some fixes and small improvements for Intel PT.
>
> Andi added his "Reviewed-by" with 2 comments to tweak the
> documentation.
>
> The patches still apply, so do
Em Sat, Jul 18, 2020 at 02:48:09PM +0800, Changbin Du escreveu:
> The '-g/-G' options have already implied function_graph tracer should be
> used instead of function tracer. So the extra option '--tracer' can be
> killed.
>
> This patch changes the behavior as below:
> - By default, function
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