File 0001-s390-cpumf-add-support-for-counter-second-... of Package libpfm

Overview Repositories Revisions Requests Users Attributes Meta

File 0001-s390-cpumf-add-support-for-counter-second-version-nu.patch of Package libpfm (Revision f6f79e23fff49d537e63efbef8f06e84)

Currently displaying revision f6f79e23fff49d537e63efbef8f06e84 , Show latest

From c08003fb085e23f2229e58cc176fcfcf58a3b238 Mon Sep 17 00:00:00 2001
From: Thomas Richter <tmricht@linux.ibm.com>
Date: Thu, 11 Jul 2019 17:49:42 -0700
Subject: [PATCH] s390/cpumf: add support for counter second version number 6

IBM added secound version number 6 in the CPU Measurement
Counter facility to indicate additional counters in the
crypto counter set.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
---
 lib/events/s390x_cpumf_events.h | 39 +++++++++++++++++++++++++++++++++
 lib/pfmlib_s390x_cpumf.c        |  2 ++
 2 files changed, 41 insertions(+)

diff --git a/lib/events/s390x_cpumf_events.h b/lib/events/s390x_cpumf_events.h
index 8be1d55..8587a3b 100644
--- a/lib/events/s390x_cpumf_events.h
+++ b/lib/events/s390x_cpumf_events.h
@@ -13,6 +13,8 @@
 #define CPUMF_CTRSET_EXTENDED           1
 #define CPUMF_CTRSET_MT_DIAG            32
 
+#define CPUMF_SVN6_ECC			4
+
 
 static const pme_cpumf_ctr_t cpumcf_fvn1_counters[] = {
 	{
@@ -270,6 +272,43 @@ static const pme_cpumf_ctr_t cpumcf_svn_generic_counters[] = {
 			" coprocessor is busy performing a function issued by"
 			" another CPU",
 	},
+	{
+		.ctrnum = 80,
+		.ctrset = CPUMF_CTRSET_CRYPTO,
+		.name = "ECC_FUNCTION_COUNT",
+		.desc = "This counter counts the"
+			" total number of the elliptic-curve cryptography (ECC)"
+			" functions issued by the CPU.",
+	},
+	{
+		.ctrnum = 81,
+		.ctrset = CPUMF_CTRSET_CRYPTO,
+		.name = "ECC_CYCLES_COUNT",
+		.desc = "This counter counts the total"
+			" number of CPU cycles when the ECC coprocessor is"
+			" busy performing the elliptic-curve cryptography"
+			" (ECC) functions issued by the CPU.",
+	},
+	{
+		.ctrnum = 82,
+		.ctrset = CPUMF_CTRSET_CRYPTO,
+		.name = "ECC_BLOCKED_FUNCTION_COUNT",
+		.desc = "This counter counts the total number of the"
+			" elliptic-curve cryptography (ECC) functions that are"
+			" issued by the CPU and are blocked because the ECC"
+			" coprocessor is busy performing a function issued by"
+			" another CPU.",
+	},
+	{
+		.ctrnum = 83,
+		.ctrset = CPUMF_CTRSET_CRYPTO,
+		.name = "ECC_BLOCKED_CYCLES_COUNT",
+		.desc = "This counter counts the total number of CPU cycles "
+			" blocked for the elliptic-curve cryptography (ECC) "
+			" functions issued by the CPU because the ECC"
+			" coprocessor is busy perform ing a function issued"
+			" by another CPU.",
+	},
 };
 
 static const pme_cpumf_ctr_t cpumcf_z10_counters[] = {
diff --git a/lib/pfmlib_s390x_cpumf.c b/lib/pfmlib_s390x_cpumf.c
index 7566aa0..e68b000 100644
--- a/lib/pfmlib_s390x_cpumf.c
+++ b/lib/pfmlib_s390x_cpumf.c
@@ -168,6 +168,8 @@ static int pfm_cpumcf_init(void *this)
 	/* counters based on second version number */
 	csvn_set = cpumcf_svn_generic_counters;
 	csvn_set_count = LIBPFM_ARRAY_SIZE(cpumcf_svn_generic_counters);
+	if (csvn < 6)	/* Crypto counter set enlarged for SVN == 6 */
+		csvn_set_count -= CPUMF_SVN6_ECC;
 
 	/* check and assign a machine-specific extended counter set */
 	switch (get_machine_type()) {
-- 
2.22.0

Places

File 0001-s390-cpumf-add-support-for-counter-second-version-nu.patch of Package libpfm (Revision f6f79e23fff49d537e63efbef8f06e84)

Places