From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Jiri Olsa <jolsa@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Stephane Eranian <eranian@gmail.com>,
Russell King <linux@arm.linux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Subject: [PATCH 02/13] perf/core: Extend perf_sample_regs_intr() to include perf_arch_regs update
Date: Mon, 29 Aug 2016 02:30:47 +0530 [thread overview]
Message-ID: <1472418058-28659-3-git-send-email-maddy@linux.vnet.ibm.com> (raw)
In-Reply-To: <1472418058-28659-1-git-send-email-maddy@linux.vnet.ibm.com>
Extend perf_sample_regs_intr() to support the updates needed for
perf_arch_reg structure and perf_arch_regs_mask. Also add code to
init the arch_regs_mask to zero incase of regs_user in
perf_sample_regs_user(). Ideally this should be done in perf_sample_data_init,
but due to commit 2565711fb7d7 ("perf: Improve the perf_sample_data struct layout")
moving it to this function.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Stephane Eranian <eranian@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
---
kernel/events/core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 2f6e6a16b117..8cf540275c34 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -5398,6 +5398,9 @@ static void perf_sample_regs_user(struct perf_regs *regs_user,
regs_user->abi = PERF_SAMPLE_REGS_ABI_NONE;
regs_user->regs = NULL;
}
+
+ /* Init arch_regs_mask to zero */
+ regs_user->arch_regs_mask = 0;
}
static void perf_sample_regs_intr(struct perf_regs *regs_intr,
@@ -5405,6 +5408,8 @@ static void perf_sample_regs_intr(struct perf_regs *regs_intr,
{
regs_intr->regs = regs;
regs_intr->abi = perf_reg_abi(current);
+ regs_intr->arch_regs_mask = perf_get_arch_regs_mask();
+ regs_intr->arch_regs = perf_get_arch_reg();
}
--
2.7.4
next prev parent reply other threads:[~2016-08-28 21:01 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-28 21:00 [PATCH 00/13] Add support for perf_arch_regs Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 01/13] perf/core: Add perf_arch_regs and mask to perf_regs structure Madhavan Srinivasan
2016-08-28 21:22 ` kbuild test robot
2016-08-28 23:41 ` kbuild test robot
2016-08-29 0:21 ` kbuild test robot
2016-09-01 7:26 ` Peter Zijlstra
2016-09-06 4:25 ` Madhavan Srinivasan
2016-09-06 9:10 ` Peter Zijlstra
2016-09-09 0:44 ` Madhavan Srinivasan
2016-08-28 21:00 ` Madhavan Srinivasan [this message]
2016-08-28 21:00 ` [PATCH 03/13] perf/core: Update perf_*_sample() to include perf_arch_regs Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 04/13] perf/core: Extend perf_output_sample_regs() " Madhavan Srinivasan
2016-08-30 16:11 ` Nilay Vaish
2016-09-01 3:42 ` Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 05/13] powerpc/perf: Define enums for perf_arch_regs registers Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 06/13] powerpc/perf: Add support for perf_arch_regs in powerpc Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 07/13] powerpc/perf: Add support for perf_arch_regs for Power7 processor Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 08/13] powerpc/perf: Add support for perf_arch_regs for newer Power processor Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 09/13] powerpc/perf: Add support for perf_arch_regs for PPC970 processor Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 10/13] tool/perf: Add support for perf_arch_regs Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 11/13] tools/perf: Fix the mask in regs_dump__printf and print_sample_iregs Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 12/13] tool/perf: Add perf_arch_reg mask and arch_reg_names structure Madhavan Srinivasan
2016-08-28 21:00 ` [PATCH 13/13] powerpc/perf: Add support to dump only arch_regs Madhavan Srinivasan
2016-08-30 16:01 ` [PATCH 00/13] Add support for perf_arch_regs Nilay Vaish
2016-09-01 3:08 ` Madhavan Srinivasan
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