From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>, Adrian Hunter <adrian.hunter@intel.com>
Cc: "Peter Zijlstra" <peterz@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Mark Rutland" <mark.rutland@arm.com>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
"Jiri Olsa" <jolsa@kernel.org>,
"Namhyung Kim" <namhyung@kernel.org>,
"Suzuki K Poulose" <suzuki.poulose@arm.com>,
"Mike Leach" <mike.leach@linaro.org>,
"James Clark" <james.clark@arm.com>,
"Leo Yan" <leo.yan@linaro.org>,
"John Garry" <john.g.garry@oracle.com>,
"Will Deacon" <will@kernel.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Darren Hart" <dvhart@infradead.org>,
"Davidlohr Bueso" <dave@stgolabs.net>,
"André Almeida" <andrealmeid@igalia.com>,
"Kan Liang" <kan.liang@linux.intel.com>,
"K Prateek Nayak" <kprateek.nayak@amd.com>,
"Sean Christopherson" <seanjc@google.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Kajol Jain" <kjain@linux.ibm.com>,
"Athira Rajeev" <atrajeev@linux.vnet.ibm.com>,
"Andrew Jones" <ajones@ventanamicro.com>,
"Alexandre Ghiti" <alexghiti@rivosinc.com>,
"Atish Patra" <atishp@rivosinc.com>,
"Steinar H. Gunderson" <sesse@google.com>,
"Yang Jihong" <yangjihong1@huawei.com>,
"Yang Li" <yang.lee@linux.alibaba.com>,
"Changbin Du" <changbin.du@huawei.com>,
"Sandipan Das" <sandipan.das@amd.com>,
"Ravi Bangoria" <ravi.bangoria@amd.com>,
"Paran Lee" <p4ranlee@gmail.com>,
"Nick Desaulniers" <ndesaulniers@google.com>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Yanteng Si" <siyanteng@loongson.cn>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
bpf@vger.kernel.org
Subject: Re: [PATCH v1 00/14] Clean up libperf cpumap's empty function
Date: Tue, 12 Dec 2023 14:59:37 -0300 [thread overview]
Message-ID: <ZXifiVytVbebYE3U@kernel.org> (raw)
In-Reply-To: <20231129060211.1890454-1-irogers@google.com>
Em Tue, Nov 28, 2023 at 10:01:57PM -0800, Ian Rogers escreveu:
> Rename and clean up the use of libperf CPU map functions particularly
> focussing on perf_cpu_map__empty that may return true for maps
> containing CPUs but also with an "any CPU"/dummy value.
>
> perf_cpu_map__nr is also troubling in that iterating an empty CPU map
> will yield the "any CPU"/dummy value. Reduce the appearance of some
> calls to this by using the perf_cpu_map__for_each_cpu macro.
>
> Ian Rogers (14):
> libperf cpumap: Rename perf_cpu_map__dummy_new
> libperf cpumap: Rename and prefer sysfs for perf_cpu_map__default_new
> libperf cpumap: Rename perf_cpu_map__empty
> libperf cpumap: Replace usage of perf_cpu_map__new(NULL)
> libperf cpumap: Add for_each_cpu that skips the "any CPU" case
Applied 1-6, with James Reviewed-by tags, would be good to have Adrian
check the PT and BTS parts, testing the end result if he things its all
ok.
- Arnaldo
next prev parent reply other threads:[~2023-12-12 17:59 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-29 6:01 [PATCH v1 00/14] Clean up libperf cpumap's empty function Ian Rogers
2023-11-29 6:01 ` [PATCH v1 01/14] libperf cpumap: Rename perf_cpu_map__dummy_new Ian Rogers
2023-12-12 11:20 ` James Clark
2023-11-29 6:01 ` [PATCH v1 02/14] libperf cpumap: Rename and prefer sysfs for perf_cpu_map__default_new Ian Rogers
2023-12-12 11:32 ` James Clark
2023-12-12 17:39 ` Arnaldo Carvalho de Melo
2023-12-12 17:52 ` Ian Rogers
2023-11-29 6:02 ` [PATCH v1 03/14] libperf cpumap: Rename perf_cpu_map__empty Ian Rogers
2023-12-12 11:38 ` James Clark
2023-11-29 6:02 ` [PATCH v1 04/14] libperf cpumap: Replace usage of perf_cpu_map__new(NULL) Ian Rogers
2023-12-12 11:44 ` James Clark
2023-11-29 6:02 ` [PATCH v1 05/14] libperf cpumap: Add for_each_cpu that skips the "any CPU" case Ian Rogers
2023-12-12 13:54 ` James Clark
2023-11-29 6:02 ` [PATCH v1 06/14] libperf cpumap: Add any, empty and min helpers Ian Rogers
2023-12-12 14:00 ` James Clark
2023-12-12 14:51 ` James Clark
2023-12-12 20:02 ` Ian Rogers
2023-12-12 15:06 ` James Clark
2023-12-12 20:27 ` Ian Rogers
2023-12-13 13:48 ` James Clark
2023-11-29 6:02 ` [PATCH v1 07/14] perf arm-spe/cs-etm: Directly iterate CPU maps Ian Rogers
2023-12-12 14:17 ` James Clark
2023-12-12 14:36 ` James Clark
2024-02-01 2:12 ` Ian Rogers
2024-02-01 11:06 ` James Clark
2023-11-29 6:02 ` [PATCH v1 08/14] perf intel-pt/intel-bts: Switch perf_cpu_map__has_any_cpu_or_is_empty use Ian Rogers
2023-11-29 6:02 ` [PATCH v1 09/14] perf cpumap: Clean up use of perf_cpu_map__has_any_cpu_or_is_empty Ian Rogers
2023-12-12 15:10 ` James Clark
2023-11-29 6:02 ` [PATCH v1 10/14] perf top: Avoid repeated function calls Ian Rogers
2023-12-12 15:11 ` James Clark
2023-12-18 20:34 ` Arnaldo Carvalho de Melo
2023-11-29 6:02 ` [PATCH v1 11/14] perf arm64 header: Remove unnecessary CPU map get and put Ian Rogers
2023-12-12 15:13 ` James Clark
2023-11-29 6:02 ` [PATCH v1 12/14] perf stat: Remove duplicate cpus_map_matched function Ian Rogers
2023-12-12 11:28 ` James Clark
2023-11-29 6:02 ` [PATCH v1 13/14] perf cpumap: Use perf_cpu_map__for_each_cpu when possible Ian Rogers
2023-12-12 11:25 ` James Clark
2023-11-29 6:02 ` [PATCH v1 14/14] libperf cpumap: Document perf_cpu_map__nr's behavior Ian Rogers
2023-12-12 15:20 ` James Clark
2023-12-18 20:36 ` Arnaldo Carvalho de Melo
2023-12-11 19:31 ` [PATCH v1 00/14] Clean up libperf cpumap's empty function Ian Rogers
2023-12-12 17:59 ` Arnaldo Carvalho de Melo [this message]
2023-12-13 12:48 ` Adrian Hunter
2023-12-14 13:49 ` Arnaldo Carvalho de Melo
2023-12-13 23:29 ` Namhyung Kim
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