From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Stephane Eranian <eranian@google.com>,
Ingo Molnar <mingo@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Jiri Olsa <jolsa@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Vince Weaver <vincent.weaver@maine.edu>,
kan.liang@intel.com, Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.14 02/31] perf/x86/intel/ds: Fix EVENT vs. UEVENT PEBS constraints
Date: Sat, 8 Jun 2019 07:46:13 -0400 [thread overview]
Message-ID: <20190608114646.9415-2-sashal@kernel.org> (raw)
In-Reply-To: <20190608114646.9415-1-sashal@kernel.org>
From: Stephane Eranian <eranian@google.com>
[ Upstream commit 23e3983a466cd540ffdd2bbc6e0c51e31934f941 ]
This patch fixes an bug revealed by the following commit:
6b89d4c1ae85 ("perf/x86/intel: Fix INTEL_FLAGS_EVENT_CONSTRAINT* masking")
That patch modified INTEL_FLAGS_EVENT_CONSTRAINT() to only look at the event code
when matching a constraint. If code+umask were needed, then the
INTEL_FLAGS_UEVENT_CONSTRAINT() macro was needed instead.
This broke with some of the constraints for PEBS events.
Several of them, including the one used for cycles:p, cycles:pp, cycles:ppp
fell in that category and caused the event to be rejected in PEBS mode.
In other words, on some platforms a cmdline such as:
$ perf top -e cycles:pp
would fail with -EINVAL.
This patch fixes this bug by properly using INTEL_FLAGS_UEVENT_CONSTRAINT()
when needed in the PEBS constraint tables.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: kan.liang@intel.com
Link: http://lkml.kernel.org/r/20190521005246.423-1-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/x86/events/intel/ds.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 25386be0d757..3310f9f6c3e1 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -681,7 +681,7 @@ struct event_constraint intel_core2_pebs_event_constraints[] = {
INTEL_FLAGS_UEVENT_CONSTRAINT(0x1fc7, 0x1), /* SIMD_INST_RETURED.ANY */
INTEL_FLAGS_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED.* */
/* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x01),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108000c0, 0x01),
EVENT_CONSTRAINT_END
};
@@ -690,7 +690,7 @@ struct event_constraint intel_atom_pebs_event_constraints[] = {
INTEL_FLAGS_UEVENT_CONSTRAINT(0x00c5, 0x1), /* MISPREDICTED_BRANCH_RETIRED */
INTEL_FLAGS_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED.* */
/* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x01),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108000c0, 0x01),
/* Allow all events as PEBS with no flags */
INTEL_ALL_EVENT_CONSTRAINT(0, 0x1),
EVENT_CONSTRAINT_END
@@ -698,7 +698,7 @@ struct event_constraint intel_atom_pebs_event_constraints[] = {
struct event_constraint intel_slm_pebs_event_constraints[] = {
/* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x1),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108000c0, 0x1),
/* Allow all events as PEBS with no flags */
INTEL_ALL_EVENT_CONSTRAINT(0, 0x1),
EVENT_CONSTRAINT_END
@@ -729,7 +729,7 @@ struct event_constraint intel_nehalem_pebs_event_constraints[] = {
INTEL_FLAGS_EVENT_CONSTRAINT(0xcb, 0xf), /* MEM_LOAD_RETIRED.* */
INTEL_FLAGS_EVENT_CONSTRAINT(0xf7, 0xf), /* FP_ASSIST.* */
/* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x0f),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108000c0, 0x0f),
EVENT_CONSTRAINT_END
};
@@ -746,7 +746,7 @@ struct event_constraint intel_westmere_pebs_event_constraints[] = {
INTEL_FLAGS_EVENT_CONSTRAINT(0xcb, 0xf), /* MEM_LOAD_RETIRED.* */
INTEL_FLAGS_EVENT_CONSTRAINT(0xf7, 0xf), /* FP_ASSIST.* */
/* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x0f),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108000c0, 0x0f),
EVENT_CONSTRAINT_END
};
@@ -755,7 +755,7 @@ struct event_constraint intel_snb_pebs_event_constraints[] = {
INTEL_PLD_CONSTRAINT(0x01cd, 0x8), /* MEM_TRANS_RETIRED.LAT_ABOVE_THR */
INTEL_PST_CONSTRAINT(0x02cd, 0x8), /* MEM_TRANS_RETIRED.PRECISE_STORES */
/* UOPS_RETIRED.ALL, inv=1, cmask=16 (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108001c2, 0xf),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108001c2, 0xf),
INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOP_RETIRED.* */
INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
@@ -770,9 +770,9 @@ struct event_constraint intel_ivb_pebs_event_constraints[] = {
INTEL_PLD_CONSTRAINT(0x01cd, 0x8), /* MEM_TRANS_RETIRED.LAT_ABOVE_THR */
INTEL_PST_CONSTRAINT(0x02cd, 0x8), /* MEM_TRANS_RETIRED.PRECISE_STORES */
/* UOPS_RETIRED.ALL, inv=1, cmask=16 (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108001c2, 0xf),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108001c2, 0xf),
/* INST_RETIRED.PREC_DIST, inv=1, cmask=16 (cycles:ppp). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108001c0, 0x2),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108001c0, 0x2),
INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOP_RETIRED.* */
INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
@@ -786,9 +786,9 @@ struct event_constraint intel_hsw_pebs_event_constraints[] = {
INTEL_FLAGS_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PRECDIST */
INTEL_PLD_CONSTRAINT(0x01cd, 0xf), /* MEM_TRANS_RETIRED.* */
/* UOPS_RETIRED.ALL, inv=1, cmask=16 (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108001c2, 0xf),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108001c2, 0xf),
/* INST_RETIRED.PREC_DIST, inv=1, cmask=16 (cycles:ppp). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108001c0, 0x2),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108001c0, 0x2),
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_NA(0x01c2, 0xf), /* UOPS_RETIRED.ALL */
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_XLD(0x11d0, 0xf), /* MEM_UOPS_RETIRED.STLB_MISS_LOADS */
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_XLD(0x21d0, 0xf), /* MEM_UOPS_RETIRED.LOCK_LOADS */
@@ -809,9 +809,9 @@ struct event_constraint intel_bdw_pebs_event_constraints[] = {
INTEL_FLAGS_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PRECDIST */
INTEL_PLD_CONSTRAINT(0x01cd, 0xf), /* MEM_TRANS_RETIRED.* */
/* UOPS_RETIRED.ALL, inv=1, cmask=16 (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108001c2, 0xf),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108001c2, 0xf),
/* INST_RETIRED.PREC_DIST, inv=1, cmask=16 (cycles:ppp). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108001c0, 0x2),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108001c0, 0x2),
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_NA(0x01c2, 0xf), /* UOPS_RETIRED.ALL */
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_LD(0x11d0, 0xf), /* MEM_UOPS_RETIRED.STLB_MISS_LOADS */
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_LD(0x21d0, 0xf), /* MEM_UOPS_RETIRED.LOCK_LOADS */
@@ -832,9 +832,9 @@ struct event_constraint intel_bdw_pebs_event_constraints[] = {
struct event_constraint intel_skl_pebs_event_constraints[] = {
INTEL_FLAGS_UEVENT_CONSTRAINT(0x1c0, 0x2), /* INST_RETIRED.PREC_DIST */
/* INST_RETIRED.PREC_DIST, inv=1, cmask=16 (cycles:ppp). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108001c0, 0x2),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108001c0, 0x2),
/* INST_RETIRED.TOTAL_CYCLES_PS (inv=1, cmask=16) (cycles:p). */
- INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x0f),
+ INTEL_FLAGS_UEVENT_CONSTRAINT(0x108000c0, 0x0f),
INTEL_PLD_CONSTRAINT(0x1cd, 0xf), /* MEM_TRANS_RETIRED.* */
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_LD(0x11d0, 0xf), /* MEM_INST_RETIRED.STLB_MISS_LOADS */
INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_ST(0x12d0, 0xf), /* MEM_INST_RETIRED.STLB_MISS_STORES */
--
2.20.1
next prev parent reply other threads:[~2019-06-08 11:47 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-08 11:46 [PATCH AUTOSEL 4.14 01/31] Staging: vc04_services: Fix a couple error codes Sasha Levin
2019-06-08 11:46 ` Sasha Levin [this message]
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 03/31] netfilter: nf_queue: fix reinject verdict handling Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 04/31] ipvs: Fix use-after-free in ip_vs_in Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 05/31] selftests: netfilter: missing error check when setting up veth interface Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 06/31] clk: ti: clkctrl: Fix clkdm_clk handling Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 07/31] powerpc/powernv: Return for invalid IMC domain Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 08/31] mISDN: make sure device name is NUL terminated Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 09/31] x86/CPU/AMD: Don't force the CPB cap when running under a hypervisor Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 10/31] perf/ring_buffer: Fix exposing a temporarily decreased data_head Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 11/31] perf/ring_buffer: Add ordering to rb->nest increment Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 12/31] perf/ring-buffer: Always use {READ,WRITE}_ONCE() for rb->user_page data Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 13/31] gpio: fix gpio-adp5588 build errors Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 14/31] net: tulip: de4x5: Drop redundant MODULE_DEVICE_TABLE() Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 15/31] PCI: PM: Avoid possible suspend-to-idle issue Sasha Levin
2019-06-11 15:25 ` Rafael J. Wysocki
2019-06-19 21:01 ` Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 16/31] net: aquantia: fix LRO with FCS error Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 17/31] i2c: dev: fix potential memory leak in i2cdev_ioctl_rdwr Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 18/31] ALSA: hda - Force polling mode on CNL for fixing codec communication Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 19/31] configfs: Fix use-after-free when accessing sd->s_dentry Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 20/31] perf data: Fix 'strncat may truncate' build failure with recent gcc Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 21/31] perf record: Fix s390 missing module symbol and warning for non-root users Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 22/31] ia64: fix build errors by exporting paddr_to_nid() Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 23/31] KVM: PPC: Book3S: Use new mutex to synchronize access to rtas token list Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 24/31] KVM: PPC: Book3S HV: Don't take kvm->lock around kvm_for_each_vcpu Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 25/31] net: sh_eth: fix mdio access in sh_eth_close() for R-Car Gen2 and RZ/A1 SoCs Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 26/31] net: phy: dp83867: Set up RGMII TX delay Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 27/31] scsi: libcxgbi: add a check for NULL pointer in cxgbi_check_route() Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 28/31] scsi: smartpqi: properly set both the DMA mask and the coherent DMA mask Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 29/31] scsi: scsi_dh_alua: Fix possible null-ptr-deref Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 30/31] scsi: libsas: delete sas port if expander discover failed Sasha Levin
2019-06-08 11:46 ` [PATCH AUTOSEL 4.14 31/31] mlxsw: spectrum: Prevent force of 56G Sasha Levin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190608114646.9415-2-sashal@kernel.org \
--to=sashal@kernel.org \
--cc=acme@redhat.com \
--cc=alexander.shishkin@linux.intel.com \
--cc=eranian@google.com \
--cc=jolsa@redhat.com \
--cc=kan.liang@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=peterz@infradead.org \
--cc=stable@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
--cc=vincent.weaver@maine.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox