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authorMadhavan Srinivasan <maddy@linux.vnet.ibm.com>2018-03-04 12:56:28 +0100
committerMichael Ellerman <mpe@ellerman.id.au>2018-03-27 10:25:11 +0200
commitac96588d9831bd047ab4cf54850cc69b44855337 (patch)
treef8630298de58be34ed1b7b6a979b32fb57e04304 /arch/powerpc/perf/power9-pmu.c
parentpowerpc/perf: Add blacklisted events for Power9 DD2.1 (diff)
downloadlinux-ac96588d9831bd047ab4cf54850cc69b44855337.tar.xz
linux-ac96588d9831bd047ab4cf54850cc69b44855337.zip
powerpc/perf: Add blacklisted events for Power9 DD2.2
These events either do not count, or do not count correctly, so to prevent user confusion block counting them at all. Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> [mpe: Change log] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to '')
-rw-r--r--arch/powerpc/perf/power9-pmu.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index 3847607c16f0..2ca0b33b4efb 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c
@@ -121,6 +121,25 @@ int p9_dd21_bl_ev[] = {
PM_DISP_HELD_SYNC_HOLD,
};
+int p9_dd22_bl_ev[] = {
+ PM_DTLB_MISS_16G,
+ PM_DERAT_MISS_2M,
+ PM_DTLB_MISS_2M,
+ PM_MRK_DTLB_MISS_1G,
+ PM_DTLB_MISS_4K,
+ PM_DERAT_MISS_1G,
+ PM_MRK_DERAT_MISS_2M,
+ PM_MRK_DTLB_MISS_4K,
+ PM_MRK_DTLB_MISS_16G,
+ PM_DTLB_MISS_64K,
+ PM_MRK_DERAT_MISS_1G,
+ PM_MRK_DTLB_MISS_64K,
+ PM_DISP_HELD_SYNC_HOLD,
+ PM_DTLB_MISS_16M,
+ PM_DTLB_MISS_1G,
+ PM_MRK_DTLB_MISS_16M,
+};
+
/* Table of alternatives, sorted by column 0 */
static const unsigned int power9_event_alternatives[][MAX_ALT] = {
{ PM_INST_DISP, PM_INST_DISP_ALT },
@@ -475,6 +494,9 @@ static int __init init_power9_pmu(void)
if ((PVR_CFG(pvr) == 2) && (PVR_MIN(pvr) == 1)) {
power9_pmu.blacklist_ev = p9_dd21_bl_ev;
power9_pmu.n_blacklist_ev = ARRAY_SIZE(p9_dd21_bl_ev);
+ } else if ((PVR_CFG(pvr) == 2) && (PVR_MIN(pvr) == 2)) {
+ power9_pmu.blacklist_ev = p9_dd22_bl_ev;
+ power9_pmu.n_blacklist_ev = ARRAY_SIZE(p9_dd22_bl_ev);
}
}