Add support for programming PMU counters and reading their values
in
runtime bypassing kernel completely.
This is especially useful in cases where CPU cores are isolated i.e
run dedicated tasks. In such cases one cannot use standard perf
utility without sacrificing latency and performance.
> From: Morten Brørup
> Sent: Tuesday, 28 February 2023 14.16
>
> > From: Konstantin Ananyev [mailto:konstantin.anan...@huawei.com]
> > Sent: Tuesday, 28 February 2023 13.05
> >
> > > > > >> Add support for programming PMU counters and reading their values
> in
> > > > > >> runtime bypassing kerne
> From: Konstantin Ananyev [mailto:konstantin.anan...@huawei.com]
> Sent: Tuesday, 28 February 2023 13.05
>
> > > > >> Add support for programming PMU counters and reading their values in
> > > > >> runtime bypassing kernel completely.
> > > > >>
> > > > >> This is especially useful in cases where
> > > >> Add support for programming PMU counters and reading their values in
> > > >> runtime bypassing kernel completely.
> > > >>
> > > >> This is especially useful in cases where CPU cores are isolated i.e
> > > >> run dedicated tasks. In such cases one cannot use standard perf
> > > >> utilit
> >> >> Add support for programming PMU counters and reading their values
> >> >> in runtime bypassing kernel completely.
> >> >>
> >> >> This is especially useful in cases where CPU cores are isolated i.e
> >> >> run dedicated tasks. In such cases one cannot use standard perf
> >> >> utility wit
> >> diff --git a/lib/pmu/rte_pmu.h b/lib/pmu/rte_pmu.h new file
> >> mode
> >> 100644 index 00..6b664c3336
> >> --- /dev/null
> >> +++ b/lib/pmu/rte_pmu.h
> >> @@ -0,0 +1,212 @@
> >> +/* SPDX-License-Identifier: BSD-3-Clause
> >
>-Original Message-
>From: Konstantin Ananyev
>Sent: Monday, February 27, 2023 9:53 PM
>To: Tomasz Duszynski ; Konstantin Ananyev
>;
>dev@dpdk.org
>Subject: RE: [EXT] Re: [PATCH v11 1/4] lib: add generic support for reading
>PMU events
>
>
>
>
> From: Konstantin Ananyev [mailto:konstantin.anan...@huawei.com]
> Sent: Monday, 27 February 2023 21.53
>
> > >> Add support for programming PMU counters and reading their values in
> > >> runtime bypassing kernel completely.
> > >>
> > >> This is especially useful in cases where CPU cores are is
> >> Add support for programming PMU counters and reading their values in
> >> runtime bypassing kernel completely.
> >>
> >> This is especially useful in cases where CPU cores are isolated i.e
> >> run dedicated tasks. In such cases one cannot use standard perf
> >> utility without sacrificing l
>-Original Message-
>From: Konstantin Ananyev
>Sent: Tuesday, February 21, 2023 3:17 AM
>To: dev@dpdk.org
>Subject: [EXT] Re: [PATCH v11 1/4] lib: add generic support for reading PMU
>events
>-Original Message-
>From: Konstantin Ananyev
>Sent: Tuesday, February 21, 2023 1:48 AM
>To: Tomasz Duszynski ; Konstantin Ananyev
>;
>dev@dpdk.org
>Subject: Re: [EXT] Re: [PATCH v11 1/4] lib: add generic support for reading
>PMU events
>
>
>>>&
> >> diff --git a/lib/pmu/rte_pmu.c b/lib/pmu/rte_pmu.c new file mode
> >> 100644 index 00..950f999cb7
> >> --- /dev/null
> >> +++ b/lib/pmu/rte_pmu.c
> >> @@ -0,0 +1,460 @@
> >> +/* SPDX-License-Identifier: BSD-3-Clause
> >> + * Copyright(C) 2023 Marvell International Ltd.
> >> + */
> >>
Add support for programming PMU counters and reading their values
in runtime bypassing kernel completely.
This is especially useful in cases where CPU cores are isolated
i.e run dedicated tasks. In such cases one cannot use standard
perf utility without sacrificing latency and performance.
Si
diff --git a/lib/pmu/rte_pmu.h b/lib/pmu/rte_pmu.h new file
mode
100644 index 00..6b664c3336
--- /dev/null
+++ b/lib/pmu/rte_pmu.h
@@ -0,0 +1,212 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Marvell */
+
+#ifndef _RTE_PMU_H_
+#define _RTE_PMU_H_
+
+/**
+ * @file
+
>-Original Message-
>From: Konstantin Ananyev
>Sent: Monday, February 20, 2023 6:21 PM
>To: Tomasz Duszynski ; Konstantin Ananyev
>;
>dev@dpdk.org
>Subject: RE: [EXT] Re: [PATCH v11 1/4] lib: add generic support for reading
>PMU events
>
>
>> >&
> >> >> >> diff --git a/lib/pmu/rte_pmu.h b/lib/pmu/rte_pmu.h new file mode
> >> >> >> 100644 index 00..6b664c3336
> >> >> >> --- /dev/null
> >> >> >> +++ b/lib/pmu/rte_pmu.h
> >> >> >> @@ -0,0 +1,212 @@
> >> >> >> +/* SPDX-License-Identifier: BSD-3-Clause
> >> >> >> + * Copyright(c) 2023
>-Original Message-
>From: Konstantin Ananyev
>Sent: Monday, February 20, 2023 3:31 PM
>To: Tomasz Duszynski ; Konstantin Ananyev
>;
>dev@dpdk.org
>Subject: RE: [EXT] Re: [PATCH v11 1/4] lib: add generic support for reading
>PMU events
>
>> >>
> >> >> diff --git a/lib/pmu/rte_pmu.h b/lib/pmu/rte_pmu.h new file mode
> >> >> 100644 index 00..6b664c3336
> >> >> --- /dev/null
> >> >> +++ b/lib/pmu/rte_pmu.h
> >> >> @@ -0,0 +1,212 @@
> >> >> +/* SPDX-License-Identifier: BSD-3-Clause
> >> >> + * Copyright(c) 2023 Marvell
> >> >> + */
>
>-Original Message-
>From: Konstantin Ananyev
>Sent: Friday, February 17, 2023 11:15 AM
>To: Tomasz Duszynski ; Konstantin Ananyev
>;
>dev@dpdk.org
>Subject: RE: [EXT] Re: [PATCH v11 1/4] lib: add generic support for reading
>PMU events
>
>
>
>>
> >>
> >> This is especially useful in cases where CPU cores are isolated i.e
> >> run dedicated tasks. In such cases one cannot use standard perf
> >> utility without sacrificing latency and performance.
> >>
> >> Signed-off-by: Tomasz Duszynski
> >> Acked-by: Morten Brørup
> >> ---
> >> MAI
>-Original Message-
>From: Konstantin Ananyev
>Sent: Friday, February 17, 2023 12:51 AM
>To: dev@dpdk.org
>Subject: [EXT] Re: [PATCH v11 1/4] lib: add generic support for reading PMU
>events
>
>External Email
>
>
16/02/2023 17:54, Tomasz Duszynski пишет:
Add support for programming PMU counters and reading their values
in runtime bypassing kernel completely.
This is especially useful in cases where CPU cores are isolated
i.e run dedicated tasks. In such cases one cannot use standard
perf utility without
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