Hi Arnaldo,
On Wednesday 13 January 2016 10:29 PM, Arnaldo Carvalho de Melo wrote:
Em Tue, Dec 29, 2015 at 03:38:40PM +0530, Ravi Bangoria escreveu:
'perf kvm {record|report}' is used to record and report the profiled
performance of any workload on a guest. From the host, we can collect
guest
Hi Arnaldo,
On Wednesday 13 January 2016 10:29 PM, Arnaldo Carvalho de Melo wrote:
Em Tue, Dec 29, 2015 at 03:38:40PM +0530, Ravi Bangoria escreveu:
'perf kvm {record|report}' is used to record and report the profiled
performance of any workload on a guest. From the host, we can collect
guest
'perf kvm {record|report}' is used to record and report the profiled
performance of any workload on a guest. From the host, we can collect
guest kernel statistics which is useful in finding out any contentions
in guest kernel symbols for a certain workload.
This feature is not available on powerpc
'perf kvm {record|report}' is used to record and report the profiled
performance of any workload on a guest. From the host, we can collect
guest kernel statistics which is useful in finding out any contentions
in guest kernel symbols for a certain workload.
This feature is not available on powerpc
Hi Arnaldo,
On 06/16/2015 09:08 PM, Arnaldo Carvalho de Melo wrote:
Em Tue, Jun 16, 2015 at 08:20:53AM +0530, Hemant Kumar escreveu:
"perf kvm {record|report}" is used to record and report the performance
profile of any workload on a guest. From the host, we can collect
guest kernel statistics
Hi Arnaldo,
On 06/16/2015 09:08 PM, Arnaldo Carvalho de Melo wrote:
Em Tue, Jun 16, 2015 at 08:20:53AM +0530, Hemant Kumar escreveu:
perf kvm {record|report} is used to record and report the performance
profile of any workload on a guest. From the host, we can collect
guest kernel statistics
On 6/16/15 7:24 PM, Hemant Kumar wrote:
Because, this depends on the kernel tracepoint "kvm_hv:kvm_guest_exit".
perf_prepare_sample() in the kernel side sets the event->header.misc
field to
PERF_RECORD_MISC_KERNEL through perf_misc_flags(pt_regs). In case of
tracepoints which always get hit in
Hi David,
Thanks for the review.
On 06/16/2015 08:23 PM, David Ahern wrote:
On 6/15/15 8:50 PM, Hemant Kumar wrote:
+/*
+ * Get the instruction pointer from the tracepoint data
+ */
+u64 arch__get_ip(struct perf_evsel *evsel, struct perf_sample *data)
+{
+u64 tp_ip = data->ip;
+int
Em Tue, Jun 16, 2015 at 08:20:53AM +0530, Hemant Kumar escreveu:
> "perf kvm {record|report}" is used to record and report the performance
> profile of any workload on a guest. From the host, we can collect
> guest kernel statistics which is useful in finding out any contentions
> in guest kernel
On 6/15/15 8:50 PM, Hemant Kumar wrote:
+/*
+ * Get the instruction pointer from the tracepoint data
+ */
+u64 arch__get_ip(struct perf_evsel *evsel, struct perf_sample *data)
+{
+ u64 tp_ip = data->ip;
+ int trap;
+
+ if (!strcmp(KVMPPC_EXIT, evsel->name)) {
+
On 6/15/15 8:50 PM, Hemant Kumar wrote:
+/*
+ * Get the instruction pointer from the tracepoint data
+ */
+u64 arch__get_ip(struct perf_evsel *evsel, struct perf_sample *data)
+{
+ u64 tp_ip = data-ip;
+ int trap;
+
+ if (!strcmp(KVMPPC_EXIT, evsel-name)) {
+ trap
Em Tue, Jun 16, 2015 at 08:20:53AM +0530, Hemant Kumar escreveu:
perf kvm {record|report} is used to record and report the performance
profile of any workload on a guest. From the host, we can collect
guest kernel statistics which is useful in finding out any contentions
in guest kernel
Hi David,
Thanks for the review.
On 06/16/2015 08:23 PM, David Ahern wrote:
On 6/15/15 8:50 PM, Hemant Kumar wrote:
+/*
+ * Get the instruction pointer from the tracepoint data
+ */
+u64 arch__get_ip(struct perf_evsel *evsel, struct perf_sample *data)
+{
+u64 tp_ip = data-ip;
+int
On 6/16/15 7:24 PM, Hemant Kumar wrote:
Because, this depends on the kernel tracepoint kvm_hv:kvm_guest_exit.
perf_prepare_sample() in the kernel side sets the event-header.misc
field to
PERF_RECORD_MISC_KERNEL through perf_misc_flags(pt_regs). In case of
tracepoints which always get hit in the
"perf kvm {record|report}" is used to record and report the performance
profile of any workload on a guest. From the host, we can collect
guest kernel statistics which is useful in finding out any contentions
in guest kernel symbols for a certain workload.
This feature is not available on powerpc
perf kvm {record|report} is used to record and report the performance
profile of any workload on a guest. From the host, we can collect
guest kernel statistics which is useful in finding out any contentions
in guest kernel symbols for a certain workload.
This feature is not available on powerpc
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