tions (.eh_frame and
.debug_frame), which is done in this patch.
Note that, we can always force everything into both .eh_frame and
.debug_frame by :
$ gcc bin.c -fasynchronous-unwind-tables -fno-dwarf2-cfi-asm -g -o bin
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
Chang
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been introduced with which we can keep the generic
functions generic.
Signed-off-by: Hemant Kumar
Acked-by: Alexander Yarygin
---
Changelog:
v9
gned-off-by: Srikar Dronamraju
Signed-off-by: Hemant Kumar
---
Changelog:
v8 to v9:
- Moved the book3s specific setup into one function.
- Removed the macros (which were being used only once).
- Formatting changes.
v7 to v8:
- Fixed a perf kvm stat live bug.
v6 to v7:
- Removed dependency on uapi.
1.70us
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that some architectures may need to update this
variable dynamically. For instance, powerpc will need to update this
variable dynamically depending on the machine type.
Signed-off-by: He
gned-off-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com>
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
Changelog:
v8 to v9:
- Moved the book3s specific setup into one function.
- Removed the macros (which were being used only once).
- Formatting changes.
v7 to v8:
1.70us
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-off-b
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that some architectures may need to update this
variable dynamically. For instance, powerpc will need to update this
variable dynamically depending on the machine type.
Signed-off-by: Hemant
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been introduced with which we can keep the generic
functions generic.
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
Acked-by: Ale
On 10/29/2015 02:17 AM, Alexander Yarygin wrote:
Hemant Kumar writes:
Hi David,
On 10/07/2015 09:41 PM, David Ahern wrote:
On 10/6/15 8:25 PM, Hemant Kumar wrote:
@@ -358,7 +357,12 @@ static bool handle_end_event(struct
perf_kvm_stat *kvm,
time_diff = sample->time - time_be
On 10/29/2015 02:17 AM, Alexander Yarygin wrote:
Hemant Kumar writes:
Hi David,
On 10/07/2015 09:41 PM, David Ahern wrote:
On 10/6/15 8:25 PM, Hemant Kumar wrote:
@@ -358,7 +357,12 @@ static bool handle_end_event(struct
perf_kvm_stat *kvm,
time_diff = sample->time - time_be
Hi Arnaldo,
Could you please take a look at this series and pull it?
---
Thanks,
Hemant
On 10/07/2015 07:55 AM, Hemant Kumar wrote:
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been
Hi Arnaldo,
Could you please take a look at this series and pull it?
---
Thanks,
Hemant
On 10/07/2015 07:55 AM, Hemant Kumar wrote:
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been
Hi David,
On 10/07/2015 09:41 PM, David Ahern wrote:
On 10/6/15 8:25 PM, Hemant Kumar wrote:
@@ -358,7 +357,12 @@ static bool handle_end_event(struct
perf_kvm_stat *kvm,
time_diff = sample->time - time_begin;
if (kvm->duration && time_diff > kvm->duration) {
Hi David,
On 10/07/2015 09:41 PM, David Ahern wrote:
On 10/6/15 8:25 PM, Hemant Kumar wrote:
@@ -358,7 +357,12 @@ static bool handle_end_event(struct
perf_kvm_stat *kvm,
time_diff = sample->time - time_begin;
if (kvm->duration && time_diff > kvm->duration) {
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that some architectures may need to update this
variable dynamically. For instance, powerpc will need to update this
variable dynamically depending on the machine type.
Signed-off-by: He
gned-off-by: Srikar Dronamraju
Signed-off-by: Hemant Kumar
---
Changelog:
v8 to v9:
- Moved the book3s specific setup into one function.
- Removed the macros (which were being used only once).
- Formatting changes.
v7 to v8:
- Fixed a perf kvm stat live bug.
v6 to v7:
- Removed dependency on uapi.
1.70us
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been introduced with which we can keep the generic
functions generic.
Signed-off-by: Hemant Kumar
---
Changelog:
v8 to v9:
- Removed the macro
1.70us
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-off-b
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been introduced with which we can keep the generic
functions generic.
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
Changel
gned-off-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com>
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
Changelog:
v8 to v9:
- Moved the book3s specific setup into one function.
- Removed the macros (which were being used only once).
- Formatting changes.
v7 to v8:
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that some architectures may need to update this
variable dynamically. For instance, powerpc will need to update this
variable dynamically depending on the machine type.
Signed-off-by: Hemant
en change KVM_ENTRY_TRACE to const char
*kvm_entry_trace and s390 and other arches can have code to set
kvm_{entry,exit}_trace at runtime.
Yeah, will change them to kvm_{entry,exit}_trace, instead.
--
Thanks,
Hemant Kumar
--
To unsubscribe from this list: send the line "unsubscrib
Hi,
Thanks for the review.
On 09/28/2015 06:30 PM, Alexander Yarygin wrote:
Hemant Kumar writes:
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been introduced with which we can keep
en change KVM_ENTRY_TRACE to const char
*kvm_entry_trace and s390 and other arches can have code to set
kvm_{entry,exit}_trace at runtime.
Yeah, will change them to kvm_{entry,exit}_trace, instead.
--
Thanks,
Hemant Kumar
--
To unsubscribe from this list: send the line "unsubscrib
Hi,
Thanks for the review.
On 09/28/2015 06:30 PM, Alexander Yarygin wrote:
Hemant Kumar <hem...@linux.vnet.ibm.com> writes:
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been intr
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been introduced with which we can keep the generic
functions generic.
Signed-off-by: Hemant Kumar
---
Changes since v7:
- Removed __maybe_unused
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that powerpc will need to update this variable
dynamically depending on the machine type.
Signed-off-by: Hemant Kumar
---
tools/perf/arch/s390/util/kvm-stat.c | 2 +-
tools/perf/arch/x8
gned-off-by: Srikar Dronamraju
Signed-off-by: Hemant Kumar
---
Changes since v7:
- Fixed a kvm stat live bug for ppc.
tools/perf/arch/powerpc/Makefile | 2 +
tools/perf/arch/powerpc/util/Build | 1 +
tools/perf/arch/powerpc/util/book3s_hv_exits.h | 33
to
1.70us
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that powerpc will need to update this variable
dynamically depending on the machine type.
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
tools/perf/arch/s390/util/kvm-stat
gned-off-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com>
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
Changes since v7:
- Fixed a kvm stat live bug for ppc.
tools/perf/arch/powerpc/Makefile | 2 +
tools/perf/arch/powerpc/util/Build
1.70us
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-off-b
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been introduced with which we can keep the generic
functions generic.
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
Changes
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been introduced with which we can keep the generic
functions generic.
Signed-off-by: Hemant Kumar
---
tools/perf/arch/s390/util/kvm-stat.c | 10
1.70us
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that powerpc will need to update this variable
dynamically depending on the machine type.
Signed-off-by: Hemant Kumar
---
tools/perf/arch/s390/util/kvm-stat.c | 2 +-
tools/perf/arch/x8
gned-off-by: Srikar Dronamraju
Signed-off-by: Hemant Kumar
---
Changes :
- Remooved dependency on arch/uapi
tools/perf/arch/powerpc/Makefile | 2 +
tools/perf/arch/powerpc/util/Build | 1 +
tools/perf/arch/powerpc/util/book3s_hv_exits.h | 33
tools/per
gned-off-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com>
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
Changes :
- Remooved dependency on arch/uapi
tools/perf/arch/powerpc/Makefile | 2 +
tools/perf/arch/powerpc/util/Build | 1 +
tools/perf
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that powerpc will need to update this variable
dynamically depending on the machine type.
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
tools/perf/arch/s390/util/kvm-stat
1.70us
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-off-b
Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic
discovery of kvm events (if its needed). To do this, some extern
variables have been introduced with which we can keep the generic
functions generic.
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
tool
s.
To avoid this issue, we need to check both the sections (.eh_frame and
.debug_frame), which is done in this patch.
Note that, we can always force everything into both .eh_frame and
.debug_frame by :
$ gcc bin.c -fasynchronous-unwind-tables -fno-dwarf2-cfi-asm -g -o bin
s.
To avoid this issue, we need to check both the sections (.eh_frame and
.debug_frame), which is done in this patch.
Note that, we can always force everything into both .eh_frame and
.debug_frame by :
$ gcc bin.c -fasynchronous-unwind-tables -fno-dwarf2-cfi-asm -g -o bin
Signed-off-by: Hemant Kuma
On 09/07/2015 10:40 AM, Michael Ellerman wrote:
On Fri, 2015-09-04 at 17:51 -0300, Arnaldo Carvalho de Melo wrote:
Em Tue, Sep 01, 2015 at 12:18:47PM +0530, Hemant Kumar escreveu:
Should I try to process the 5 together, applying thest two first?
Yes, this patchset needs to be applied
On 09/07/2015 10:40 AM, Michael Ellerman wrote:
On Fri, 2015-09-04 at 17:51 -0300, Arnaldo Carvalho de Melo wrote:
Em Tue, Sep 01, 2015 at 12:18:47PM +0530, Hemant Kumar escreveu:
Should I try to process the 5 together, applying thest two first?
Yes, this patchset needs to be applied
(cc'ing Michael Ellerman with this reply)
Hi Arnaldo,
On 09/01/2015 01:43 AM, Arnaldo Carvalho de Melo wrote:
Em Mon, Aug 31, 2015 at 12:18:00PM +0530, Hemant Kumar escreveu:
To analyze the exit events with perf, we need to export the related
tracepoints through kvm_perf.h. kvm_perf.h
(cc'ing Michael Ellerman with this reply)
Hi Arnaldo,
On 09/01/2015 01:43 AM, Arnaldo Carvalho de Melo wrote:
Em Mon, Aug 31, 2015 at 12:18:00PM +0530, Hemant Kumar escreveu:
To analyze the exit events with perf, we need to export the related
tracepoints through kvm_perf.h. kvm_perf.h
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-
3us 124240.15us
3486.52us ( +- 16.81% )
H_INST_STORAGE 5 0.03% 0.00% 1.88us 3.73us
2.39us ( +- 14.20% )
Total Samples:14357, Total events handled time:1203918.42us.
Signed-off-by: Srikar Dronamraju
Signed-off-by: Hemant Kumar
---
This patch has a direct dependency o
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that powerpc will need to update this variable
dynamically depending on the machine type.
Signed-off-by: Hemant Kumar
---
tools/perf/arch/s390/util/kvm-stat.c | 2 +-
tools/perf/arch/x8
_HV has
been added to the tracepoint macros. Additionally, we also need to
define the generic macros (albeit, with null strings) suffix, because
the preprocessor looks for them in the generic code in builtin-kvm.c.
Signed-off-by: Hemant Kumar
---
Changes since v5:
- Moved back the tracepoint
quot;perf kvm stat record" is invoked to collect
guest hcall statistics.
Signed-off-by: Hemant Kumar
---
arch/powerpc/include/uapi/asm/kvm_perf.h | 4
1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/include/uapi/asm/kvm_perf.h
b/arch/powerpc/include/uapi/asm/kvm_perf.h
index 68f1
_HV has
been added to the tracepoint macros. Additionally, we also need to
define the generic macros (albeit, with null strings) suffix, because
the preprocessor looks for them in the generic code in builtin-kvm.c.
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
Changes since v5:
-
quot;perf kvm stat record" is invoked to collect
guest hcall statistics.
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
arch/powerpc/include/uapi/asm/kvm_perf.h | 4
1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/include/uapi/asm/kvm_perf.h
b/arch/powerpc/inclu
3us 124240.15us
3486.52us ( +- 16.81% )
H_INST_STORAGE 5 0.03% 0.00% 1.88us 3.73us
2.39us ( +- 14.20% )
Total Samples:14357, Total events handled time:1203918.42us.
Signed-off-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com>
Signed-off-by: Hemant Kumar <hem..
This patch removes the "const" qualifier from kvm_events_tp declaration
to account for the fact that powerpc will need to update this variable
dynamically depending on the machine type.
Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com>
---
tools/perf/arch/s390/util/kvm-stat
0.58us ( +- 4.77% )
H_RTAS 6 0.48% 0.85% 1.10us 9.25us
2.70us ( +- 48.57% )
H_PERFMON 4 0.32% 0.12% 0.41us 0.96us
0.59us ( +- 20.92% )
Total Samples:1244, Total events handled time:1916.69us.
Signed-off-b
On 07/30/2015 03:52 AM, Scott Wood wrote:
On Wed, 2015-07-29 at 16:07 +0530, Hemant Kumar wrote:
Hi Scott,
On 07/17/2015 01:40 AM, Scott Wood wrote:
On Thu, 2015-07-16 at 21:18 +0530, Hemant Kumar wrote:
To analyze the exit events with perf, we need kvm_perf.h to be added in
the arch
On 07/30/2015 03:52 AM, Scott Wood wrote:
On Wed, 2015-07-29 at 16:07 +0530, Hemant Kumar wrote:
Hi Scott,
On 07/17/2015 01:40 AM, Scott Wood wrote:
On Thu, 2015-07-16 at 21:18 +0530, Hemant Kumar wrote:
To analyze the exit events with perf, we need kvm_perf.h to be added in
the arch
Hi Scott,
On 07/17/2015 01:40 AM, Scott Wood wrote:
On Thu, 2015-07-16 at 21:18 +0530, Hemant Kumar wrote:
To analyze the exit events with perf, we need kvm_perf.h to be added in
the arch/powerpc directory, where the kvm tracepoints needed to trace
the KVM exit events are defined.
This patch
Hi Scott,
On 07/17/2015 01:40 AM, Scott Wood wrote:
On Thu, 2015-07-16 at 21:18 +0530, Hemant Kumar wrote:
To analyze the exit events with perf, we need kvm_perf.h to be added in
the arch/powerpc directory, where the kvm tracepoints needed to trace
the KVM exit events are defined.
This patch
Hi Masami,
Apologies for the delayed response.
On 07/17/2015 08:51 AM, Masami Hiramatsu wrote:
Hi Hemant,
On 2015/07/16 12:13, Hemant Kumar wrote:
Hi Masami,
On 07/15/2015 02:43 PM, Masami Hiramatsu wrote:
Hi,
Here is the 2nd version of the patchset for probe-cache and
initial SDT support
Hi Masami,
Apologies for the delayed response.
On 07/17/2015 08:51 AM, Masami Hiramatsu wrote:
Hi Hemant,
On 2015/07/16 12:13, Hemant Kumar wrote:
Hi Masami,
On 07/15/2015 02:43 PM, Masami Hiramatsu wrote:
Hi,
Here is the 2nd version of the patchset for probe-cache and
initial SDT support
H_EOI 20 0.74% 2.19% 2.22us 4.72us
3.17us ( +- 5.96% )
Total Samples:2690, Total events handled time:2896.94us.
Signed-off-by: Hemant Kumar
---
This patch has a direct dependency on :
http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg91605.html
Cha
tal events handled time:49264158.30us.
Signed-off-by: Srikar Dronamraju
Signed-off-by: Hemant Kumar
---
This patch has a direct dependency on:
http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg91603.html
Changes :
- Added exit reasons definitions(unlikely to change) in the
quot;perf kvm stat record" to
collect guest hcall statistics.
Signed-off-by: Hemant Kumar
---
Changes:
- Not exporting the hcall related codes and names through uapi compared to
previous patch.
arch/powerpc/include/uapi/asm/kvm_perf_book3s.h | 4
1 file changed, 4 insertions(+)
dif
erf.h" then can just include
"kvm_perf_book3s.h".
Signed-off-by: Hemant Kumar
---
Changes:
- Not exporting the exit reasons compared to previous patchset (suggested by
Paul)
arch/powerpc/include/uapi/asm/kvm_perf.h| 6 ++
arch/powerpc/include/uapi/asm/kvm_perf_book3s.
to
collect guest hcall statistics.
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
Changes:
- Not exporting the hcall related codes and names through uapi compared to
previous patch.
arch/powerpc/include/uapi/asm/kvm_perf_book3s.h | 4
1 file changed, 4 insertions(+)
diff --git
:49264158.30us.
Signed-off-by: Srikar Dronamraju sri...@linux.vnet.ibm.com
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
This patch has a direct dependency on:
http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg91603.html
Changes :
- Added exit reasons definitions(unlikely to change
4.72us
3.17us ( +- 5.96% )
Total Samples:2690, Total events handled time:2896.94us.
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
This patch has a direct dependency on :
http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg91605.html
Changes:
- Added definitions
include
kvm_perf_book3s.h.
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
Changes:
- Not exporting the exit reasons compared to previous patchset (suggested by
Paul)
arch/powerpc/include/uapi/asm/kvm_perf.h| 6 ++
arch/powerpc/include/uapi/asm/kvm_perf_book3s.h | 14
was already working on SDT events' recording
https://lkml.org/lkml/2014/11/2/73,
I can re-spin the patches on top of your patchset and make the
required changes to implement the above TODOs.
What would you suggest?
Thank you,
---
Hemant Kumar (1):
perf/sdt: ELF support for SDT
/2014/11/2/73,
I can re-spin the patches on top of your patchset and make the
required changes to implement the above TODOs.
What would you suggest?
Thank you,
---
Hemant Kumar (1):
perf/sdt: ELF support for SDT
Masami Hiramatsu (15):
perf probe: Simplify __add_probe_trace_events code
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
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 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;
+
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
Hi Paul,
On 06/15/2015 11:09 AM, Paul Mackerras wrote:
On Mon, Jun 15, 2015 at 10:26:07AM +0530, Hemant Kumar wrote:
To analyze the kvm exits with perf, we will need to map the exit codes
with the exit reasons. Such a mapping exists today in trace_book3s.h.
Currently its not exported to perf
ents as to whether
the approach is right or is there any way better than this (like using
a different event to profile for, etc) to profile the guest from the
host.
Thank You.
Signed-off-by: Hemant Kumar
---
tools/perf/arch/powerpc/Makefile| 1 +
tools/perf/arch/powerpc/util/parse-tp.
this (like using
a different event to profile for, etc) to profile the guest from the
host.
Thank You.
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
tools/perf/arch/powerpc/Makefile| 1 +
tools/perf/arch/powerpc/util/parse-tp.c | 55 +
tools
Hi Paul,
On 06/15/2015 11:09 AM, Paul Mackerras wrote:
On Mon, Jun 15, 2015 at 10:26:07AM +0530, Hemant Kumar wrote:
To analyze the kvm exits with perf, we will need to map the exit codes
with the exit reasons. Such a mapping exists today in trace_book3s.h.
Currently its not exported to perf
Samples:14182, Total events handled time:49264158.30us.
Signed-off-by: Srikar Dronamraju
Signed-off-by: Hemant Kumar
---
Patch Resend :
- Added few more people to cc list.
- Rebased it to current tip.
Changes :
- Moved the uapi related changes to arch/powerpc patchset.
This patch has a dependency on :
690, Total events handled time:2896.94us.
Signed-off-by: Hemant Kumar
---
Changes:
- Moved the uapi related changes to arch/powerpc side patchset.
This patch has a dependency on :
http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg90507.html
which export hcall reasons through uapi.
to
This patch adds an exit reason "RETURN_TO_HOST" for the return code
0x0. Note that this is not related to any interrupt vector address, but
this is added just to make sure that perf doesn't complain if and when a
kvm exit happens with a trap code as 0x0.
Signed-off-by: Hemant Kumar
/powerpc/kvm/trace_hv.h to
arch/powerpc/include/uapi/asm/trace_hcall_pseries.h.
Signed-off-by: Hemant Kumar
---
Changes :
- Made name space changes to indicate changes related to pseries
(Suggested by Scott Wood)
arch/powerpc/include/asm/hvcall.h | 120
specific. Generic "kvm_perf.h" then can just
include "kvm_perf_book3s.h".
Signed-off-by: Hemant Kumar
---
Resend :
- Rebased to the latest tip.
- Added few people to cc list.
Changes :
- Moved the uapi related changes from the perf side patchset to this
patchset.
- Ma
.
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
Changes:
- Moved the uapi related changes to arch/powerpc side patchset.
This patch has a dependency on :
http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg90507.html
which export hcall reasons through uapi.
tools/perf/arch
handled time:49264158.30us.
Signed-off-by: Srikar Dronamraju sri...@linux.vnet.ibm.com
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
Patch Resend :
- Added few more people to cc list.
- Rebased it to current tip.
Changes :
- Moved the uapi related changes to arch/powerpc patchset
kvm_perf_book3s.h.
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
Resend :
- Rebased to the latest tip.
- Added few people to cc list.
Changes :
- Moved the uapi related changes from the perf side patchset to this
patchset.
- Made name space changes to indicate changes specific
-to-hcall_reason from
arch/powerpc/kvm/trace_hv.h to
arch/powerpc/include/uapi/asm/trace_hcall_pseries.h.
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
Changes :
- Made name space changes to indicate changes related to pseries
(Suggested by Scott Wood)
arch/powerpc/include/asm
This patch adds an exit reason RETURN_TO_HOST for the return code
0x0. Note that this is not related to any interrupt vector address, but
this is added just to make sure that perf doesn't complain if and when a
kvm exit happens with a trap code as 0x0.
Signed-off-by: Hemant Kumar hem
Hi Scott,
On 05/13/2015 08:52 AM, Scott Wood wrote:
On Tue, 2015-05-12 at 21:34 +0530, Hemant Kumar wrote:
Hi Scott,
On 05/12/2015 03:38 AM, Scott Wood wrote:
On Fri, 2015-05-08 at 06:37 +0530, Hemant Kumar wrote:
diff --git a/arch/powerpc/include/uapi/asm/kvm_perf.h
b/arch/powerpc/include
690, Total events handled time:2896.94us.
Signed-off-by: Hemant Kumar
---
Changes:
- Moved the uapi related changes to arch/powerpc side patchset.
This patch has a dependency on :
http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg89487.html
which export hcall reasons through uapi.
to
Samples:14182, Total events handled time:49264158.30us.
Signed-off-by: Srikar Dronamraju
Signed-off-by: Hemant Kumar
---
Changes :
- Moved the uapi related changes to arch/powerpc patchset.
This patch has a dependency on :
http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg89485.html
which ex
/powerpc/kvm/trace_hv.h to
arch/powerpc/include/uapi/asm/trace_hcall_pseries.h.
Signed-off-by: Hemant Kumar
---
Changes :
- Made name space changes to indicate changes related to pseries
(Suggested by Scott Wood)
arch/powerpc/include/asm/hvcall.h | 120
specific. Generic "kvm_perf.h" then can just
include "kvm_perf_book3s.h".
Signed-off-by: Hemant Kumar
---
Changes :
- Moved the uapi related changes from the perf side patchset to this
patchset.
- Made name space changes to indicate changes specific to book3s
(Suggest
This patch adds an exit reason "RETURN_TO_HOST" for the return code
0x0. Note that this is not related to any interrupt vector address, but
this is added just to make sure that perf doesn't complain if and when a
kvm exit happens with a trap code as 0x0.
Signed-off-by: Hemant Kumar
.
Signed-off-by: Hemant Kumar hem...@linux.vnet.ibm.com
---
Changes:
- Moved the uapi related changes to arch/powerpc side patchset.
This patch has a dependency on :
http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg89487.html
which export hcall reasons through uapi.
tools/perf/arch
301 - 400 of 627 matches
Mail list logo
