From: Thomas Richter <tmricht@linux.ibm.com>
To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
acme@kernel.org
Cc: brueckner@linux.vnet.ibm.com, schwidefsky@de.ibm.com,
heiko.carstens@de.ibm.com, Thomas Richter <tmricht@linux.ibm.com>,
Stefan Raspl <raspl@linux.ibm.com>,
stable@vger.kernel.org
Subject: [PATCH] perf kvm: Fix subcommands on s390
Date: Thu, 12 Jul 2018 09:09:36 +0200 [thread overview]
Message-ID: <20180712070936.67547-1-tmricht@linux.ibm.com> (raw)
With commit eca0fa28cd0d ("perf record: Provide detailed information on s390 CPU")
s390 platform provides detailed type/model/capacitiy information
in the CPU indentifier string instead of just "IBM/S390".
This breaks perf kvm support which uses hard coded string IBM/S390 to
compare with the CPU identifier string. Fix this by changing the comparison.
Fixes: eca0fa28cd0d ("perf record: Provide detailed information on s390 CPU")
Cc: Stefan Raspl <raspl@linux.ibm.com>
Cc: <stable@vger.kernel.org> # 4.17
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
---
tools/perf/arch/s390/util/kvm-stat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/arch/s390/util/kvm-stat.c b/tools/perf/arch/s390/util/kvm-stat.c
index d233e2eb9592..aaabab5e2830 100644
--- a/tools/perf/arch/s390/util/kvm-stat.c
+++ b/tools/perf/arch/s390/util/kvm-stat.c
@@ -102,7 +102,7 @@ const char * const kvm_skip_events[] = {
int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid)
{
- if (strstr(cpuid, "IBM/S390")) {
+ if (strstr(cpuid, "IBM")) {
kvm->exit_reasons = sie_exit_reasons;
kvm->exit_reasons_isa = "SIE";
} else
--
2.14.3
next reply other threads:[~2018-07-12 7:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-12 7:09 Thomas Richter [this message]
2018-07-12 7:15 ` [PATCH] perf kvm: Fix subcommands on s390 Christian Borntraeger
2018-07-12 14:17 ` Stefan Raspl
2018-07-16 20:43 ` Arnaldo Carvalho de Melo
2018-07-25 20:44 ` [tip:perf/core] " tip-bot for Thomas Richter
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