Hi Jiri,
On 5/20/2020 3:50 PM, Jiri Olsa wrote:
On Wed, May 20, 2020 at 01:36:40PM +0800, Jin, Yao wrote:
Hi Jiri,
On 5/18/2020 11:28 AM, Jin, Yao wrote:
Hi Jiri,
On 5/15/2020 4:33 PM, Jiri Olsa wrote:
On Fri, May 15, 2020 at 02:04:57PM +0800, Jin, Yao wrote:
SNIP
I think I get the root
On Wed, May 20, 2020 at 01:36:40PM +0800, Jin, Yao wrote:
> Hi Jiri,
>
> On 5/18/2020 11:28 AM, Jin, Yao wrote:
> > Hi Jiri,
> >
> > On 5/15/2020 4:33 PM, Jiri Olsa wrote:
> > > On Fri, May 15, 2020 at 02:04:57PM +0800, Jin, Yao wrote:
> > >
> > > SNIP
> > >
> > > > I think I get the root
Hi Jiri,
On 5/18/2020 11:28 AM, Jin, Yao wrote:
Hi Jiri,
On 5/15/2020 4:33 PM, Jiri Olsa wrote:
On Fri, May 15, 2020 at 02:04:57PM +0800, Jin, Yao wrote:
SNIP
I think I get the root cause. That should be a serious bug in get_group_fd,
access violation!
For a group mixed with system-wide
Hi Jiri,
On 5/15/2020 4:33 PM, Jiri Olsa wrote:
On Fri, May 15, 2020 at 02:04:57PM +0800, Jin, Yao wrote:
SNIP
I think I get the root cause. That should be a serious bug in get_group_fd,
access violation!
For a group mixed with system-wide event and per-core event and the group
leader is
On Fri, May 15, 2020 at 02:04:57PM +0800, Jin, Yao wrote:
SNIP
> I think I get the root cause. That should be a serious bug in get_group_fd,
> access violation!
>
> For a group mixed with system-wide event and per-core event and the group
> leader is system-wide event, access violation will
Hi Jiri,
On 5/9/2020 3:37 PM, Jin, Yao wrote:
Hi Jiri,
On 5/5/2020 8:03 AM, Jiri Olsa wrote:
On Sat, May 02, 2020 at 10:33:59AM +0800, Jin, Yao wrote:
SNIP
@@ -1461,6 +1461,9 @@ static int get_group_fd(struct evsel *evsel, int cpu, int
thread)
BUG_ON(!leader->core.fd);
fd =
Hi Jiri,
On 5/5/2020 8:03 AM, Jiri Olsa wrote:
On Sat, May 02, 2020 at 10:33:59AM +0800, Jin, Yao wrote:
SNIP
@@ -1461,6 +1461,9 @@ static int get_group_fd(struct evsel *evsel, int cpu, int
thread)
BUG_ON(!leader->core.fd);
fd = FD(leader, cpu, thread);
+ if (fd == -1
On Sat, May 02, 2020 at 10:33:59AM +0800, Jin, Yao wrote:
SNIP
> > > @@ -1461,6 +1461,9 @@ static int get_group_fd(struct evsel *evsel, int
> > > cpu, int thread)
> > > BUG_ON(!leader->core.fd);
> > > fd = FD(leader, cpu, thread);
> > > + if (fd == -1 &&
Hi Jiri,
On 5/1/2020 6:23 PM, Jiri Olsa wrote:
On Thu, Apr 30, 2020 at 09:34:51AM +0800, Jin Yao wrote:
A metric may consist of system wide event and non system-wide event.
The event group leader may be the system wide event.
For example, the metric "C2_Pkg_Residency" consists of
On Thu, Apr 30, 2020 at 09:34:51AM +0800, Jin Yao wrote:
> A metric may consist of system wide event and non system-wide event.
> The event group leader may be the system wide event.
>
> For example, the metric "C2_Pkg_Residency" consists of
> "cstate_pkg/c2-residency" and "msr/tsc". The former
A metric may consist of system wide event and non system-wide event.
The event group leader may be the system wide event.
For example, the metric "C2_Pkg_Residency" consists of
"cstate_pkg/c2-residency" and "msr/tsc". The former counts on the first
CPU of socket (tagged system-wide) and the
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