* [PATCH] trace-cmd: Report unknown VMX exit reasons with code
@ 2013-08-11 7:59 Jan Kiszka
2013-10-04 13:40 ` Jan Kiszka
2014-06-25 5:48 ` [tip:perf/core] tools lib traceevent: " tip-bot for Jan Kiszka
0 siblings, 2 replies; 4+ messages in thread
From: Jan Kiszka @ 2013-08-11 7:59 UTC (permalink / raw)
To: Steven Rostedt; +Cc: Linux Kernel Mailing List, kvm
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From: Jan Kiszka <jan.kiszka@siemens.com>
Allows to parse the result even if the KVM plugin does not yet
understand a specific exit code.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
plugin_kvm.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/plugin_kvm.c b/plugin_kvm.c
index 8a25cf1..59443e5 100644
--- a/plugin_kvm.c
+++ b/plugin_kvm.c
@@ -240,9 +240,8 @@ static const char *find_exit_reason(unsigned isa, int val)
for (i = 0; strings[i].val >= 0; i++)
if (strings[i].val == val)
break;
- if (strings[i].str)
- return strings[i].str;
- return "UNKNOWN";
+
+ return strings[i].str;
}
static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
@@ -251,6 +250,7 @@ static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
unsigned long long isa;
unsigned long long val;
unsigned long long info1 = 0, info2 = 0;
+ const char *reason;
if (pevent_get_field_val(s, event, "exit_reason", record, &val, 1) < 0)
return -1;
@@ -258,7 +258,11 @@ static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
if (pevent_get_field_val(s, event, "isa", record, &isa, 0) < 0)
isa = 1;
- trace_seq_printf(s, "reason %s", find_exit_reason(isa, val));
+ reason = find_exit_reason(isa, val);
+ if (reason)
+ trace_seq_printf(s, "reason %s", reason);
+ else
+ trace_seq_printf(s, "reason UNKNOWN (%llu)", val);
pevent_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1);
--
1.7.3.4
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] trace-cmd: Report unknown VMX exit reasons with code
2013-08-11 7:59 [PATCH] trace-cmd: Report unknown VMX exit reasons with code Jan Kiszka
@ 2013-10-04 13:40 ` Jan Kiszka
2013-10-04 14:50 ` Steven Rostedt
2014-06-25 5:48 ` [tip:perf/core] tools lib traceevent: " tip-bot for Jan Kiszka
1 sibling, 1 reply; 4+ messages in thread
From: Jan Kiszka @ 2013-10-04 13:40 UTC (permalink / raw)
To: Steven Rostedt; +Cc: Linux Kernel Mailing List, kvm
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On 2013-08-11 09:59, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@siemens.com>
>
> Allows to parse the result even if the KVM plugin does not yet
> understand a specific exit code.
>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
> plugin_kvm.c | 12 ++++++++----
> 1 files changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/plugin_kvm.c b/plugin_kvm.c
> index 8a25cf1..59443e5 100644
> --- a/plugin_kvm.c
> +++ b/plugin_kvm.c
> @@ -240,9 +240,8 @@ static const char *find_exit_reason(unsigned isa, int val)
> for (i = 0; strings[i].val >= 0; i++)
> if (strings[i].val == val)
> break;
> - if (strings[i].str)
> - return strings[i].str;
> - return "UNKNOWN";
> +
> + return strings[i].str;
> }
>
> static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
> @@ -251,6 +250,7 @@ static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
> unsigned long long isa;
> unsigned long long val;
> unsigned long long info1 = 0, info2 = 0;
> + const char *reason;
>
> if (pevent_get_field_val(s, event, "exit_reason", record, &val, 1) < 0)
> return -1;
> @@ -258,7 +258,11 @@ static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
> if (pevent_get_field_val(s, event, "isa", record, &isa, 0) < 0)
> isa = 1;
>
> - trace_seq_printf(s, "reason %s", find_exit_reason(isa, val));
> + reason = find_exit_reason(isa, val);
> + if (reason)
> + trace_seq_printf(s, "reason %s", reason);
> + else
> + trace_seq_printf(s, "reason UNKNOWN (%llu)", val);
>
> pevent_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1);
>
>
Ping. While my other patch of that time was merged, this one didn't make
it yet. Any open issues?
Jan
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] trace-cmd: Report unknown VMX exit reasons with code
2013-10-04 13:40 ` Jan Kiszka
@ 2013-10-04 14:50 ` Steven Rostedt
0 siblings, 0 replies; 4+ messages in thread
From: Steven Rostedt @ 2013-10-04 14:50 UTC (permalink / raw)
To: Jan Kiszka; +Cc: Linux Kernel Mailing List, kvm
On Fri, 04 Oct 2013 15:40:29 +0200
Jan Kiszka <jan.kiszka@web.de> wrote:
> Ping. While my other patch of that time was merged, this one didn't make
> it yet. Any open issues?
Hmm, no. Not sure how I missed this one. Probably because it didn't
have the 2/2 patch format and I thought there was only one patch?
I'll queue it up.
Thanks!
-- Steve
^ permalink raw reply [flat|nested] 4+ messages in thread
* [tip:perf/core] tools lib traceevent: Report unknown VMX exit reasons with code
2013-08-11 7:59 [PATCH] trace-cmd: Report unknown VMX exit reasons with code Jan Kiszka
2013-10-04 13:40 ` Jan Kiszka
@ 2014-06-25 5:48 ` tip-bot for Jan Kiszka
1 sibling, 0 replies; 4+ messages in thread
From: tip-bot for Jan Kiszka @ 2014-06-25 5:48 UTC (permalink / raw)
To: linux-tip-commits
Cc: linux-kernel, hpa, mingo, jolsa, jan.kiszka, namhyung, rostedt, tglx
Commit-ID: 20d3cbd75ef17b96dfb4f5f1600c0278d330f5ca
Gitweb: http://git.kernel.org/tip/20d3cbd75ef17b96dfb4f5f1600c0278d330f5ca
Author: Jan Kiszka <jan.kiszka@siemens.com>
AuthorDate: Thu, 12 Jun 2014 22:10:03 -0400
Committer: Jiri Olsa <jolsa@kernel.org>
CommitDate: Thu, 19 Jun 2014 18:17:54 +0200
tools lib traceevent: Report unknown VMX exit reasons with code
Allows to parse the result even if the KVM plugin does not yet
understand a specific exit code.
Link: http://lkml.kernel.org/r/5207446F.1090703@web.de
Acked-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/lib/traceevent/plugin_kvm.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c
index 9e0e8c6..3e61220 100644
--- a/tools/lib/traceevent/plugin_kvm.c
+++ b/tools/lib/traceevent/plugin_kvm.c
@@ -240,9 +240,8 @@ static const char *find_exit_reason(unsigned isa, int val)
for (i = 0; strings[i].val >= 0; i++)
if (strings[i].val == val)
break;
- if (strings[i].str)
- return strings[i].str;
- return "UNKNOWN";
+
+ return strings[i].str;
}
static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
@@ -251,6 +250,7 @@ static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
unsigned long long isa;
unsigned long long val;
unsigned long long info1 = 0, info2 = 0;
+ const char *reason;
if (pevent_get_field_val(s, event, "exit_reason", record, &val, 1) < 0)
return -1;
@@ -258,7 +258,11 @@ static int kvm_exit_handler(struct trace_seq *s, struct pevent_record *record,
if (pevent_get_field_val(s, event, "isa", record, &isa, 0) < 0)
isa = 1;
- trace_seq_printf(s, "reason %s", find_exit_reason(isa, val));
+ reason = find_exit_reason(isa, val);
+ if (reason)
+ trace_seq_printf(s, "reason %s", reason);
+ else
+ trace_seq_printf(s, "reason UNKNOWN (%llu)", val);
pevent_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1);
^ permalink raw reply related [flat|nested] 4+ messages in thread
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2013-08-11 7:59 [PATCH] trace-cmd: Report unknown VMX exit reasons with code Jan Kiszka
2013-10-04 13:40 ` Jan Kiszka
2013-10-04 14:50 ` Steven Rostedt
2014-06-25 5:48 ` [tip:perf/core] tools lib traceevent: " tip-bot for Jan Kiszka
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