From: Jiri Olsa <jolsa@redhat.com>
To: Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
mingo@elte.hu, ak@linux.intel.com, acme@redhat.com,
namhyung@kernel.org
Subject: Re: [PATCH 1/4] perf: add ability to sample machine state on interrupt
Date: Fri, 11 Jul 2014 09:58:08 +0200 [thread overview]
Message-ID: <20140711075808.GA21557@krava.redhat.com> (raw)
In-Reply-To: <1404857759-25105-2-git-send-email-eranian@google.com>
On Wed, Jul 09, 2014 at 12:15:56AM +0200, Stephane Eranian wrote:
> Enable capture of interrupted machine state in each
> sample.
>
> Registers to sample are passed per event in the
> sample_regs_intr bitmask.
>
> To sample interrupt machine state, the
> PERF_SAMPLE_INTR_REGS must be passed in
> sample_type.
>
> The list of available registers is arch
> dependent and provided by asm/perf_regs.h
>
> Registers are laid out as u64 in the order
> of the bit order of sample_intr_regs.
SNIP
> };
>
> /*
> @@ -334,6 +335,15 @@ struct perf_event_attr {
>
> /* Align to u64. */
> __u32 __reserved_2;
> + /*
> + * Defines set of user regs to dump on samples.
^^ interrupt
jirka
next prev parent reply other threads:[~2014-07-11 7:58 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-08 22:15 [PATCH v1 0/4] perf: add ability to sample interrupted machine state Stephane Eranian
2014-07-08 22:15 ` [PATCH 1/4] perf: add ability to sample machine state on interrupt Stephane Eranian
2014-07-09 15:03 ` Arnaldo Carvalho de Melo
2014-07-09 15:46 ` Andi Kleen
2014-07-11 7:58 ` Jiri Olsa [this message]
2014-07-11 8:11 ` Jiri Olsa
2014-07-11 8:14 ` Jiri Olsa
2014-07-08 22:15 ` [PATCH 2/4] perf/x86: add support for sampling PEBS machine state registers Stephane Eranian
2014-07-11 8:15 ` Jiri Olsa
2014-07-08 22:15 ` [PATCH 3/4] perf tools: add core support for sampling intr machine state regs Stephane Eranian
2014-07-09 15:44 ` Andi Kleen
2014-07-11 8:20 ` Jiri Olsa
2014-07-11 8:25 ` Jiri Olsa
2014-07-14 17:54 ` Stephane Eranian
2014-07-11 8:27 ` Jiri Olsa
2014-07-08 22:15 ` [PATCH 4/4] perf record: add new -I option to sample interrupted machine state Stephane Eranian
2014-07-09 15:45 ` Andi Kleen
2014-07-14 8:00 ` Namhyung Kim
2014-07-14 17:52 ` Stephane Eranian
2014-07-09 8:26 ` [PATCH v1 0/4] perf: add ability " Namhyung Kim
2014-07-09 14:53 ` Arnaldo Carvalho de Melo
2014-07-09 15:26 ` Stephane Eranian
2014-07-09 15:47 ` Andi Kleen
2014-07-09 17:14 ` Stephane Eranian
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