On 12/6/24 19:26, Athira Rajeev wrote:
> Perf tools side uses extended mask to display the platform
> supported register names (with -I? option) to the user
> and also send this mask to the kernel to capture the extended registers
> as part of each sample. This mask value is decided based on
> t
On 12/6/24 19:22, Athira Rajeev wrote:
> Currently print_overall_results prints the number of
> fails in the summary, example from base_probe tests in
> testsuite_probe:
>
> ## [ FAIL ] ## perf_probe :: test_invalid_options SUMMARY ::
> 11 failures found
>
> test_invalid_options contain
On 9/13/24 12:00, Christophe Leroy wrote:
>
>
> Le 28/08/2024 à 12:21, Kajol Jain a écrit :
>> The pseries Shared Processor Logical Partition(SPLPAR) machines
>> can retrieve a log of dispatch and preempt events from the
>> hypervisor using data from Disptach Trace Log(DTL) buffer.
>> With thi
On 8/27/24 21:00, Ian Rogers wrote:
> On Mon, Aug 26, 2024 at 10:33 PM Kajol Jain wrote:
>>
>> Update JSON/events for power10 platform with additional events.
>>
>> Signed-off-by: Kajol Jain
>
> For the series:
> Reviewed-by: Ian Rogers
Hi Ian,
Thanks for reviewing the patchset.
>
> Just
Hi Michael,
Thanks for the patch, the patch looks fine to me.
Tested-by: Kajol Jain
Reviewed-by: Kajol Jain
Thanks,
Kajol Jain
On 8/19/24 17:54, Michael Ellerman wrote:
> The dtl_access_lock needs to be a rw_sempahore, a sleeping lock, because
> the code calls kmalloc() while holding it, whic
On 8/1/24 01:44, Arnaldo Carvalho de Melo wrote:
> On Wed, Jul 31, 2024 at 04:44:49PM -0300, Arnaldo Carvalho de Melo wrote:
>> On Fri, Jul 26, 2024 at 11:08:55AM -0300, Arnaldo Carvalho de Melo wrote:
>>> On Tue, Jul 23, 2024 at 09:02:23AM -0700, Ian Rogers wrote:
On Mon, Jul 22, 2024 at 1
On 7/23/24 21:32, Ian Rogers wrote:
> On Mon, Jul 22, 2024 at 10:27 PM Kajol Jain wrote:
>>
>> Update JSON/events for power10 platform with additional events.
>> Also move PM_VECTOR_LD_CMPL event from others.json to
>> frontend.json file.
>>
>> Signed-off-by: Kajol Jain
>
> Reviewed-by: Ian R
On 7/23/24 12:35, Disha Goel wrote:
> On 23/07/24 10:51 am, Kajol Jain wrote:
>
>> Update JSON/events for power10 platform with additional events.
>> Also move PM_VECTOR_LD_CMPL event from others.json to
>> frontend.json file.
>>
>> Signed-off-by: Kajol Jain
>
> I have tested the patch on pow
Patchset looks fine to me.
Tested-by: Kajol Jain
Reviewed-by: Kajol Jain
Thanks,
Kajol Jain
On 7/13/24 22:25, Athira Rajeev wrote:
> The patchset from Namhyung added support for data type profiling
> in perf tool. This enabled support to associate PMU samples to data
> types they refer using DWA
On 7/12/24 09:14, Athira Rajeev wrote:
>
>
>> On 7 Jul 2024, at 8:14 PM, Athira Rajeev wrote:
>>
>> The patchset from Namhyung added support for data type profiling
>> in perf tool. This enabled support to associate PMU samples to data
>> types they refer using DWARF debug information. With t
On 2/20/24 18:08, Michael Ellerman wrote:
> Kajol Jain writes:
>> Running event
>> hv_gpci/dispatch_timebase_by_processor_processor_time_in_timebase_cycles,phys_processor_idx=0/
>> in one of the system throws below error:
>>
>> ---Logs---
>> # perf list | grep
>> hv_gpci/dispatch_timebase_b
Patch looks fine to me.
Reviewed-by: Kajol Jain
Thanks,
Kajol Jain
On 1/29/24 17:38, Madhavan Srinivasan wrote:
> Update the Power11 PVR to json mapfile to enable
> json events. Power11 is PowerISA v3.1 compliant
> and support Power10 events.
>
> Signed-off-by: Madhavan Srinivasan
> ---
> to
On 11/17/23 04:06, Michael Ellerman wrote:
> Kajol Jain writes:
>> Fix access permission of the hv-gpci topology information
>> interface files from 0444 to 0400 (admin read only).
>
> Please explain why they should be 0400.
>
> Also typo in subject, "hv-gpxi".
Hi Michael,
Thanks for revie
Patchset looks fine to me.
Reviewed-by: Kajol Jain
thanks,
Kajol Jain
On 9/29/23 09:41, Athira Rajeev wrote:
> shellcheck was run on perf tool shell scripts as a pre-requisite
> to include a build option for shellcheck discussed here:
> https://www.spinics.net/lists/linux-perf-users/msg25553.ht
Patch looks good to me.
Reviewed-by: Kajol Jain
Thanks,
Kajol Jain
On 9/15/23 11:07, Athira Rajeev wrote:
> The testcase "Object code reading" fails in somecases
> for "fs_something" sub test as below:
>
> Reading object code for memory address: 0xc00807f0142c
> File is: /lib/modul
Patch looks good to me.
Reviewed-by: Kajol Jain
Thanks,
Kajol Jain
On 9/15/23 11:07, Athira Rajeev wrote:
> Update "struct dso" to include new member "text_end".
> This new field will represent the offset for end of text
> section for a dso. For elf, this value is derived as:
> sh_size (Size of
On 9/7/23 22:45, Athira Rajeev wrote:
> From: root
>
> shellcheck was run on perf tool shell scripts s a pre-requisite
> to include a build option for shellcheck discussed here:
> https://www.spinics.net/lists/linux-perf-users/msg25553.html
>
> And fixes were added for the coding/formatting i
On 9/7/23 22:29, Athira Rajeev wrote:
> Testcase "Parsing of all PMU events from sysfs" parse events for
> all PMUs, and not just cpu. In case of powerpc, the PowerVM
> environment supports events from hv_24x7 and hv_gpci PMU which
> is of example format like below:
>
> - hv_24x7/CPM_ADJUNCT_IN
On 9/6/23 19:56, Arnaldo Carvalho de Melo wrote:
> Em Tue, Sep 05, 2023 at 05:10:37PM +0530, Kajol Jain escreveu:
>> Update JSON/Events list with data-source events for power10 platform.
>
> Thanks, applied the series.
>
> - Arnaldo
Hi Arnaldo,
Thanks for pulling the patchset.
Thanks,
Kajol
On 9/6/23 19:55, Arnaldo Carvalho de Melo wrote:
> Em Tue, Sep 05, 2023 at 05:10:38PM +0530, Kajol Jain escreveu:
>> Update JSON/Events list with additional data-source events
>> for power10 platform.
>
> I changed the cset title to:
>
> "perf vendor events power10: Add extra data-source event
On 9/6/23 19:52, Arnaldo Carvalho de Melo wrote:
> Em Tue, Sep 05, 2023 at 05:10:37PM +0530, Kajol Jain escreveu:
>> Update JSON/Events list with data-source events for power10 platform.
>
> Next time could you please provide some pointer to the document from
> where these metrics came if it is
Hi Arnaldo,
Can you please pull this patchset which is adding more json events
for power10 platform.
Thanks,
Kajol Jain
On 8/23/23 13:25, Kajol Jain wrote:
> Update JSON/Events list with data-source events for power10 platform.
>
> Signed-off-by: Kajol Jain
> ---
> .../arch/powerpc/power10/
On 7/20/23 10:42, Athira Rajeev wrote:
>
>
>> On 19-Jul-2023, at 11:16 PM, Ian Rogers wrote:
>>
>> On Tue, Jul 18, 2023 at 11:17 PM kajoljain wrote:
>>>
>>> Hi,
>>>
>>> Looking for review comments on this patchset.
>>>
Hi,
Looking for review comments on this patchset.
Thanks,
Kajol Jain
On 7/9/23 23:57, Athira Rajeev wrote:
> Patchset covers a set of fixes for coding/formatting issues observed while
> running shellcheck tool on the perf shell scripts.
>
> This cleanup is a pre-requisite to include a build op
Thanks Randy for the review comments, I will do these updates
for all documentation patches in my next version of patchset.
Thanks,
Kajol Jain
On 7/12/23 02:22, Randy Dunlap wrote:
> Hi--
>
> On 7/10/23 02:27, Kajol Jain wrote:
>> Add details of the new hv-gpci interface file called
>
On 3/29/23 18:54, Arnaldo Carvalho de Melo wrote:
> Em Tue, Mar 28, 2023 at 09:21:49AM -0700, Ian Rogers escreveu:
>> On Tue, Mar 28, 2023 at 4:30 AM Kajol Jain wrote:
>>>
>>> Commit 3c22ba524304 ("perf vendor events powerpc: Update POWER9 events")
>>> added and updated power9 pmu json events.
On 3/23/23 18:41, Arnaldo Carvalho de Melo wrote:
> Exception processing pmu-events/arch/powerpc/power9/other.json
> Traceback (most recent call last):
> File "pmu-events/jevents.py", line 997, in
> main()
> File "pmu-events/jevents.py", line 979, in main
> ftw(arch_path, [], prepro
On 2/27/23 10:56, Michael Ellerman wrote:
> David Binderman writes:
>> Hello there,
>>
>> I ran the static analyser cppcheck over the linux-6.2 source code and got
>> this:
>>
>> linux-6.2/tools/testing/selftests/powerpc/pmu/sampling_tests/mmcra_thresh_marked_sample_test.c:68:10:
>> style: Sa
On 2/15/23 05:36, Ian Rogers wrote:
> On Tue, Feb 7, 2023 at 7:45 PM kajoljain wrote:
>>
>>
>>
>> On 2/6/23 10:10, Athira Rajeev wrote:
>>>
>>>
>>>> On 02-Feb-2023, at 10:14 PM, Kajol Jain wrote:
>>>>
>>>> T
On 2/6/23 10:10, Athira Rajeev wrote:
>
>
>> On 02-Feb-2023, at 10:14 PM, Kajol Jain wrote:
>>
>> Testcase stat_all_metrics.sh fails in powerpc:
>>
>> 92: perf all metrics test : FAILED!
>>
>> Logs with verbose:
>>
>> [command]# ./perf test 92 -vv
>> 92: perf all metrics test
On 2/1/23 19:41, Sachin Sant wrote:
>
>
>> On 01-Feb-2023, at 12:18 AM, Kajol Jain wrote:
>>
>> Commit ec3eb9d941a9 ("powerpc/perf: Use PVR rather than
>> oprofile field to determine CPU version") added usage
>> of pvr value instead of oprofile field to determine the
>> platform. In hv-24x7 p
Patchset looks goot to me
Reviewed-By: Kajol Jain
On 1/27/23 05:06, Ian Rogers wrote:
> Add an optimization to jevents using the metric code, rewrite metrics
> in terms of each other in order to minimize size and improve
> readability. For example, on Power8
> other_stall_cpi is rewritten from:
>
On 1/30/23 07:14, Michael Ellerman wrote:
> The recent commit 76d588dddc45 ("powerpc/imc-pmu: Fix use of mutex in
> IRQs disabled section") fixed warnings (and possible deadlocks) in the
> IMC PMU driver by converting the locking to use spinlocks.
>
> It also converted the init-time nest_init_l
On 1/24/23 12:03, Ian Rogers wrote:
> rhs may not be defined, say for source_count, so add a guard.
>
> Signed-off-by: Ian Rogers
> ---
> tools/perf/pmu-events/metric.py | 6 --
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/pmu-events/metric.py b/tools/per
On 11/24/22 17:18, Michael Ellerman wrote:
> Kajol Jain writes:
>> Based on getPerfCountInfo v1.018 documentation, some of the
>> hv_gpci events got deprecated for platforms firmware that
> ^ ^
> were platform
>
>> supports count
On 11/21/22 15:57, Naveen N. Rao wrote:
> On IBM Power9, perf watchpoint tests fail since no hardware breakpoints
> are available. Detect this by checking the error returned by
> perf_event_open() and skip the tests in that case.
>
> Reported-by: Disha Goel
> Signed-off-by: Naveen N. Rao
> --
On 11/4/22 13:07, Disha Goel wrote:
> On 11/4/22 12: 59 PM, Athira Rajeev wrote: On 03-Nov-2022, at 9: 45 PM,
> Ian Rogers wrote: On Wed, Nov 2, 2022 at 1: 36 AM
> Athira Rajeev
>
On 9/13/22 17:25, Athira Rajeev wrote:
> For PERF_SAMPLE_BRANCH_STACK sample type, different branch_sample_type,
> ie branch filters are supported. The testcase "bhrb_filter_map_test"
> tests the valid and invalid filter maps in different powerpc platforms.
> Update this testcase to include scen
On 9/13/22 17:25, Athira Rajeev wrote:
> commit b55878c90ab9 ("perf test: Add test for branch stack sampling")
> added test for branch stack sampling. There is a sanity check in the
> beginning to skip the test if the hardware doesn't support branch stack
> sampling.
>
> Snippet
> <<>>
> skip t
On 9/16/22 17:02, Disha Goel wrote:
>
> On 9/13/22 5:25 PM, Athira Rajeev wrote:
>> For PERF_SAMPLE_BRANCH_STACK sample type, different branch_sample_type
>> ie branch filters are supported. The branch filters are requested via
>> event attribute "branch_sample_type". Multiple branch filters ca
On 9/16/22 16:19, Athira Rajeev wrote:
> The perf probe related tests like probe_vfs_getname.sh which
> is in "tools/perf/tests/shell" directory have dependency on
> debuginfo information in the kernel. Currently debuginfo
> check is handled by skip_if_no_debuginfo function in the
> file "lib/pr
On 7/12/22 10:45, Vaibhav Jain wrote:
> Hi Kajol,
>
> Thanks for the patch. Minor review comment below:
>
> Kajol Jain writes:
>
>> Commit 4c08d4bbc089 ("powerpc/papr_scm: Add perf interface support")
>> added performance monitoring support for papr-scm nvdimm devices via
>> perf interface.
On 6/27/22 12:05, Michael Ellerman wrote:
> Hi Kajol,
>
> A few comments below ...
Hi Michael,
Thanks for reviewing the patch. I will make the changes suggested by
you and send version 2 of this patch.
Thanks,
Kajol Jain
>
> Kajol Jain writes:
>> Commit 4c08d4bbc089 ("powerpc/papr_scm: A
On 5/11/22 17:24, Athira Rajeev wrote:
> Perf BPF filter test fails in environment where "clang"
> is not installed.
>
> Test failure logs:
>
> <<>>
> 42: BPF filter:
> 42.1: Basic BPF filtering : Skip
> 42.2: BPF pinning : FAILED!
> 42.3: BPF pr
On 5/11/22 17:19, Athira Rajeev wrote:
> The session topology test fails in powerpc pSeries platform.
> Test logs:
> <<>>
> Session topology : FAILED!
> <<>>
>
> This testcases tests cpu topology by checking the core_id and
> socket_id stored in perf_env from perf session. The data from
> perf
On 5/5/22 15:09, Athira Rajeev wrote:
> The session topology test fails in powerpc pSeries platform.
> Test logs:
> <<>>
> Session topology : FAILED!
> <<>>
>
> This test uses cpu topology information and in powerpc,
> some of the topology info is restricted in environment
> like virtualized pl
On 4/28/22 20:38, Athira Rajeev wrote:
> /proc/cpuinfo provides information about type of processor, number
> of CPU's etc. Reading /proc/cpuinfo file outputs useful information
> by field name like cpu, platform, model (depending on architecture)
> and its value separated by colon.
>
> Add new
On 4/24/22 13:56, Haowen Bai wrote:
> The function __perf_reg_mask has an unsigned return type, but returns a
> negative constant to indicate an error condition. So we change unsigned
> to int.
>
> Signed-off-by: Haowen Bai
> ---
> tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c | 2
On 3/22/22 07:40, Dan Williams wrote:
> On Fri, Mar 18, 2022 at 4:42 AM Kajol Jain wrote:
>>
>> The following build failure occures when CONFIG_PERF_EVENTS is not set
>> as generic pmu functions are not visible in that scenario.
>>
>> |-- s390-randconfig-r044-20220313
>> | |-- nd_perf.c:(.tex
On 3/23/22 21:02, Dan Williams wrote:
> On Wed, Mar 23, 2022 at 3:05 AM Michael Ellerman wrote:
>>
>> Dan Williams writes:
>>> On Tue, Mar 22, 2022 at 7:30 AM kajoljain wrote:
>>>> On 3/22/22 03:09, Dan Williams wrote:
>>>>>
On 3/22/22 07:15, Dan Williams wrote:
> On Mon, Mar 21, 2022 at 2:39 PM Dan Williams wrote:
>>
>> On Fri, Mar 18, 2022 at 4:42 AM Kajol Jain wrote:
>>>
>>> The following build failure occures when CONFIG_PERF_EVENTS is not set
>>> as generic pmu functions are not visible in that scenario.
>>>
On 3/22/22 03:09, Dan Williams wrote:
> On Fri, Mar 18, 2022 at 4:42 AM Kajol Jain wrote:
>>
>> The following build failure occures when CONFIG_PERF_EVENTS is not set
>> as generic pmu functions are not visible in that scenario.
>>
>> arch/powerpc/platforms/pseries/papr_scm.c:372:35: error: ‘st
On 3/15/22 13:45, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the nvdimm tree got a conflict in:
>
> arch/powerpc/platforms/pseries/papr_scm.c
>
> between commit:
>
> bbbca72352bb ("powerpc/papr_scm: Implement initial support for injecting
> smart errors")
>
> fro
On 3/10/22 17:41, Michael Ellerman wrote:
> Christophe Leroy writes:
>> Le 27/01/2022 à 08:20, Kajol Jain a écrit :
>>> From: Athira Rajeev
>>>
>>> The testcase uses event code "0x134001c040" to verify
>>> the settings for different fields in Monitor Mode Control
>>> Register 1 (MMCR1). Th
Hi Dan,
Can you take this patch-set if it looks fine to you.
Thanks,
Kajol Jain
On 2/25/22 20:00, Kajol Jain wrote:
> Patchset adds performance stats reporting support for nvdimm.
> Added interface includes support for pmu register/unregister
> functions. A structure is added called nvdimm_pm
On 2/25/22 16:41, Nageswara Sastry wrote:
>
>
> On 25/02/22 12:08 pm, kajoljain wrote:
>>
>>
>> On 2/25/22 11:25, Nageswara Sastry wrote:
>>>
>>>
>>> On 17/02/22 10:03 pm, Kajol Jain wrote:
>>>> Patchset adds performance
On 2/25/22 13:17, Aneesh Kumar K V wrote:
> On Fri, 2022-02-25 at 12:08 +0530, kajoljain wrote:
>>
>>
>> On 2/25/22 11:25, Nageswara Sastry wrote:
>>>
>>>
>>> On 17/02/22 10:03 pm, Kajol Jain wrote:
>>>>
>
>>>&
On 2/25/22 11:25, Nageswara Sastry wrote:
>
>
> On 17/02/22 10:03 pm, Kajol Jain wrote:
>> Patchset adds performance stats reporting support for nvdimm.
>> Added interface includes support for pmu register/unregister
>> functions. A structure is added called nvdimm_pmu to be used for
>> adding
On 2/24/22 02:47, Dan Williams wrote:
> On Wed, Feb 23, 2022 at 11:07 AM Dan Williams
> wrote:
>>
>> On Fri, Feb 18, 2022 at 10:06 AM Dan Williams
>> wrote:
>>>
>>> On Thu, Feb 17, 2022 at 8:34 AM Kajol Jain wrote:
Patchset adds performance stats reporting support for nvdimm.
On 11/16/21 8:29 PM, LEROY Christophe wrote:
> Hi
>
> Le 16/11/2021 à 05:49, Kajol Jain a écrit :
>> Patchset adds performance stats reporting support for nvdimm.
>> Added interface includes support for pmu register/unregister
>> functions. A structure is added called nvdimm_pmu to be used for
On 10/26/21 3:28 PM, kajoljain wrote:
>
>
> On 10/22/21 8:19 PM, Paul A. Clarke wrote:
>> Thanks for the changes!
>> More nits below (many left over from prior review)...
>>
>> On Fri, Oct 22, 2021 at 11:55:05AM +0530, Kajol Jain wrote:
>>> Add
On 10/25/21 5:36 PM, Paul A. Clarke wrote:
> On Mon, Oct 25, 2021 at 02:23:15PM +1100, Michael Ellerman wrote:
>> "Paul A. Clarke" writes:
>>> Thanks for the changes!
>>> More nits below (many left over from prior review)...
>>>
>>> On Fri, Oct 22, 2021 at 11:55:05AM +0530, Kajol Jain wrote:
>>
On 10/22/21 8:19 PM, Paul A. Clarke wrote:
> Thanks for the changes!
> More nits below (many left over from prior review)...
>
> On Fri, Oct 22, 2021 at 11:55:05AM +0530, Kajol Jain wrote:
>> Add pmu metric json file for power10 platform.
>>
>> Signed-off-by: Kajol Jain
>> ---
>> Changelog v1
Hi Dan,
Any comments on this patch-set?
Thanks,
Kajol Jain
On 9/28/21 6:11 PM, Kajol Jain wrote:
> Patchset adds performance stats reporting support for nvdimm.
> Added interface includes support for pmu register/unregister
> functions. A structure is added called nvdimm_pmu to be used for
> a
On 10/7/21 12:25 PM, Athira Rajeev wrote:
> Patch set adds PMU registers namely Sampled Instruction Address Register
> (SIAR) and Sampled Data Address Register (SDAR) as part of extended regs
> in PowerPC. These registers provides the instruction/data address and
> adding these to extended regs
On 10/6/21 11:02 PM, Paul A. Clarke wrote:
> Kajol,
>
> On Wed, Oct 06, 2021 at 01:01:19PM +0530, Kajol Jain wrote:
>> Add pmu metric json file for power10 platform.
>
> Thanks for producing this! A few minor corrections, plus a number of
> stylistic comments below...
Hi Paul,
I will make
On 10/6/21 1:50 AM, Peter Zijlstra wrote:
> On Tue, Oct 05, 2021 at 02:48:35PM +0530, Kajol Jain wrote:
>> Going forward, future generation systems can have more hierarchy
>> within the chip/package level but currently we don't have any data source
>> encoding field in perf, which can be used to
Hi,
Sorry I missed to update correct version details.
Link to the previous patch-set, where discussion related to addition of
new data source encoding field 'mem_hops' happened:
https://lkml.org/lkml/2021/9/4/37
Changelog:
- Rather then adding new macros for L2.1/L3.1 (same chip, different
co
On 9/8/21 6:33 AM, Dan Williams wrote:
> On Thu, Sep 2, 2021 at 10:11 PM Kajol Jain wrote:
>>
>> Details is added for the event, cpumask and format attributes
>> in the ABI documentation.
>>
>> Acked-by: Peter Zijlstra (Intel)
>> Reviewed-by: Madhavan Srinivasan
>> Tested-by: Nageswara R Sast
On 9/8/21 3:29 AM, Dan Williams wrote:
> Hi Kajol,
>
> Apologies for the delay in responding to this series, some comments below:
Hi Dan,
No issues, thanks for reviewing the patches.
>
> On Thu, Sep 2, 2021 at 10:10 PM Kajol Jain wrote:
>>
>> A structure is added, called nvdimm_pmu, for
On 6/20/21 8:15 PM, Athira Rajeev wrote:
> Patch set adds PMU registers namely Sampled Instruction Address Register
> (SIAR) and Sampled Data Address Register (SDAR) as part of extended regs
> in PowerPC. These registers provides the instruction/data address and
> adding these to extended regs h
On 8/18/21 6:58 PM, Christophe Leroy wrote:
>
>
> Le 18/08/2021 à 15:19, Kajol Jain a écrit :
>> Incase of random sampling, there can be scenarios where
>> Sample Instruction Address Register(SIAR) may not latch
>> to the sampled instruction and could result in
>> the value of 0. In these scen
On 8/17/21 11:07 AM, Madhavan Srinivasan wrote:
>
> On 8/16/21 12:26 PM, Christophe Leroy wrote:
>>
>>
>> Le 16/08/2021 à 08:44, kajoljain a écrit :
>>>
>>>
>>> On 8/14/21 6:14 PM, Michael Ellerman wrote:
>>>> Christophe
On 8/13/21 3:04 PM, Christophe Leroy wrote:
>
>
> Le 13/08/2021 à 10:24, Kajol Jain a écrit :
>> Incase of random sampling, there can be scenarios where SIAR is not
>> latching sample address and results in 0 value. Since current code
>> directly returning the siar value, we could see multiple
On 8/14/21 6:14 PM, Michael Ellerman wrote:
> Christophe Leroy writes:
>> Le 13/08/2021 à 10:24, Kajol Jain a écrit :
>>> Incase of random sampling, there can be scenarios where SIAR is not
>>> latching sample address and results in 0 value. Since current code
>>> directly returning the siar va
On 8/14/21 6:00 PM, Michael Ellerman wrote:
> Christophe Leroy writes:
>> Le 13/08/2021 à 10:29, kajoljain a écrit :
>>>
>>> On 8/13/21 1:54 PM, Kajol Jain wrote:
>>>> Minor optimization in the 'perf_instruction_pointer' function code
On 8/13/21 1:54 PM, Kajol Jain wrote:
> Minor optimization in the 'perf_instruction_pointer' function code by
> making use of stack siar instead of mfspr.
>
> Fixes: 75382aa72f06 ("powerpc/perf: Move code to select SIAR or pt_regs
> into perf_read_regs")
> Signed-off-by: Kajol Jain
Please ign
On 8/2/21 2:28 PM, Moritz Fischer wrote:
> On Mon, Aug 02, 2021 at 01:15:00PM +0530, kajoljain wrote:
>>
>>
>> On 7/13/21 1:12 PM, Kajol Jain wrote:
>>> The performance reporting driver added cpu hotplug
>>> feature but it didn't add pmu migration ca
On 7/13/21 1:12 PM, Kajol Jain wrote:
> The performance reporting driver added cpu hotplug
> feature but it didn't add pmu migration call in cpu
> offline function.
> This can create an issue incase the current designated
> cpu being used to collect fme pmu data got offline,
> as based on curren
On 7/23/21 11:16 AM, Pratik R. Sampat wrote:
> Adds a generic interface to represent the energy and frequency related
> PAPR attributes on the system using the new H_CALL
> "H_GET_ENERGY_SCALE_INFO".
>
> H_GET_EM_PARMS H_CALL was previously responsible for exporting this
> information in the lp
On 7/20/21 11:04 AM, Pratik R. Sampat wrote:
> Adds a generic interface to represent the energy and frequency related
> PAPR attributes on the system using the new H_CALL
> "H_GET_ENERGY_SCALE_INFO".
>
> H_GET_EM_PARMS H_CALL was previously responsible for exporting this
> information in the lp
On 7/12/21 7:57 AM, Wu, Hao wrote:
>> Subject: [PATCH v2] fpga: dfl: fme: Fix cpu hotplug issue in performance
>> reporting
>>
>> The performance reporting driver added cpu hotplug
>> feature but it didn't add pmu migration call in cpu
>> offline function.
>> This can create an issue incase the
On 7/7/21 12:45 AM, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jul 06, 2021 at 05:26:12PM +0530, kajoljain escreveu:
>>
>>
>> On 6/29/21 12:39 PM, kajoljain wrote:
>>>
>>>
>>> On 6/28/21 8:19 PM, Paul A. Clarke wrote:
>>>> On Mon, Jun
On 6/29/21 12:39 PM, kajoljain wrote:
>
>
> On 6/28/21 8:19 PM, Paul A. Clarke wrote:
>> On Mon, Jun 28, 2021 at 11:53:41AM +0530, Kajol Jain wrote:
>>> Commit 48a1f565261d ("perf script python: Add more PMU fields
>>> to event handler dict"
On 6/23/21 4:46 PM, Michael Ellerman wrote:
> Peter Zijlstra writes:
>> On Wed, Jun 23, 2021 at 01:40:38PM +0530, kajoljain wrote:
>>>
>>> On 6/22/21 6:44 PM, Peter Zijlstra wrote:
>>>> On Thu, Jun 17, 2021 at 06:56:13PM +0530, Kajol Jain wrote:
>>
On 6/29/21 12:57 PM, Greg KH wrote:
> On Tue, Jun 29, 2021 at 12:45:20PM +0530, kajoljain wrote:
>>
>>
>> On 6/28/21 3:47 PM, Kajol Jain wrote:
>>> The performance reporting driver added cpu hotplug
>>> feature but it didn't add pmu migration ca
On 6/28/21 3:47 PM, Kajol Jain wrote:
> The performance reporting driver added cpu hotplug
> feature but it didn't add pmu migration call in cpu
> offline function.
> This can create an issue incase the current designated
> cpu being used to collect fme pmu data got offline,
> as based on curren
On 6/29/21 12:10 AM, Moritz Fischer wrote:
> On Mon, Jun 28, 2021 at 12:45:46PM +0530, Kajol Jain wrote:
>> Commit 724142f8c42a ("fpga: dfl: fme: add performance
>> reporting support") added performance reporting support
>> for FPGA management engine via perf.
>>
>> It also added cpu hotplug fea
On 6/28/21 8:19 PM, Paul A. Clarke wrote:
> On Mon, Jun 28, 2021 at 11:53:41AM +0530, Kajol Jain wrote:
>> Commit 48a1f565261d ("perf script python: Add more PMU fields
>> to event handler dict") added functionality to report fields like
>> weight, iregs, uregs etc via perf report.
>> That commi
On 6/28/21 2:31 PM, Xu Yilun wrote:
> It's a good fix, you can drop the RFC in commit title. :)
>
> The title could be more specific, like:
>
> fpga: dfl: fme: Fix cpu hotplug issue in performance reporting
>
> So we know it is for performance reporting feature at first glance.
>
> On Mo
On 6/25/21 6:51 PM, Paul A. Clarke wrote:
> On Fri, Jun 25, 2021 at 05:29:48PM +0530, Kajol Jain wrote:
>> Patch adds 24x7 nest metric events for POWER10.
>>
>> Signed-off-by: Kajol Jain
>> ---
>> .../arch/powerpc/power10/nest_metrics.json| 491 ++
>> 1 file changed, 491 in
On 6/22/21 6:44 PM, Peter Zijlstra wrote:
> On Thu, Jun 17, 2021 at 06:56:13PM +0530, Kajol Jain wrote:
>> ---
>> Kajol Jain (4):
>> drivers/nvdimm: Add nvdimm pmu structure
>> drivers/nvdimm: Add perf interface to expose nvdimm performance stats
>> powerpc/papr_scm: Add perf interface sup
On 6/16/21 4:25 PM, Nageswara Sastry wrote:
>
>
>> On 14-Jun-2021, at 10:53 AM, Kajol Jain wrote:
>>
>> Patchset adds performance stats reporting support for nvdimm.
>> Added interface includes support for pmu register/unregister
>> functions. A structure is added called nvdimm_pmu to be used
On 6/8/21 11:06 PM, Peter Zijlstra wrote:
> On Tue, Jun 08, 2021 at 05:26:58PM +0530, Kajol Jain wrote:
>> +static int nvdimm_pmu_cpu_offline(unsigned int cpu, struct hlist_node *node)
>> +{
>> +struct nvdimm_pmu *nd_pmu;
>> +u32 target;
>> +int nodeid;
>> +const struct cpumask *
On 5/26/21 11:42 AM, Nageswara Sastry wrote:
>
>
>> On 25-May-2021, at 8:57 PM, Paul A. Clarke wrote:
>>>
>> I lost the original message, but Nageswara Sastry said:
>>> 1. Extracted all the 244 events from the patch.
>>> 2. Check them in 'perf list' - all 244 events found
>>> 3. Ran all the e
On 5/26/21 2:02 PM, Peter Zijlstra wrote:
> On Wed, May 26, 2021 at 12:56:58PM +0530, kajoljain wrote:
>> On 5/25/21 7:46 PM, Peter Zijlstra wrote:
>>> On Tue, May 25, 2021 at 06:52:16PM +0530, Kajol Jain wrote:
>
>>>> It adds cpumask to designate a cpu
On 5/26/21 2:15 PM, Aneesh Kumar K.V wrote:
> On 5/26/21 12:56 PM, kajoljain wrote:
>>
>>
>> On 5/25/21 7:46 PM, Peter Zijlstra wrote:
>>> On Tue, May 25, 2021 at 06:52:16PM +0530, Kajol Jain wrote:
>>>> Patch here adds cpu hotplug functions to nv
On 5/25/21 7:46 PM, Peter Zijlstra wrote:
> On Tue, May 25, 2021 at 06:52:16PM +0530, Kajol Jain wrote:
>> Patch here adds cpu hotplug functions to nvdimm pmu.
>
> I'm thinking "Patch here" qualifies for "This patch", see
> Documentation/process/submitting-patches.rst .
>
Hi Peter,
I will r
On 5/8/21 10:06 AM, Vaibhav Jain wrote:
> Currently drc_pmem_qeury_stats() generates a dev_err in case
> "Enable Performance Information Collection" feature is disabled from
> HMC or performance stats are not available for an nvdimm. The error is
> of the form below:
>
> papr_scm ibm,persistent
On 5/14/21 5:17 PM, Peter Zijlstra wrote:
> On Thu, May 13, 2021 at 05:56:14PM +0530, kajoljain wrote:
>
>> But yes the current read/add/del functions are not adding value. We
>> could add an arch/platform specific function which could handle the
>> capturing of the
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