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Groups > linux.kernel > #1543225
| From | Hari Bathini <hbathini@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info |
| Date | 2016-12-16 08:10 +0100 |
| Message-ID | <sOUOt-ep-3@gated-at.bofh.it> (permalink) |
| References | <sOJ6F-Ms-5@gated-at.bofh.it> <sOJ6F-Ms-9@gated-at.bofh.it> <sOJgl-PQ-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Friday 16 December 2016 12:16 AM, Peter Zijlstra wrote:
> On Fri, Dec 16, 2016 at 12:07:06AM +0530, Hari Bathini wrote:
>> +struct perf_ns_link_info {
>> + __u64 dev;
>> + __u64 ino;
>> +};
>> +
>> +enum {
>> + NET_NS_INDEX = 0,
>> + UTS_NS_INDEX = 1,
>> + IPC_NS_INDEX = 2,
>> + PID_NS_INDEX = 3,
>> + USER_NS_INDEX = 4,
>> + MNT_NS_INDEX = 5,
>> + CGROUP_NS_INDEX = 6,
>> +
>> + NAMESPACES_MAX, /* maximum available namespaces */
>> +};
>> +
>> enum perf_event_type {
>>
>> /*
>> @@ -862,6 +880,17 @@ enum perf_event_type {
>> */
>> PERF_RECORD_SWITCH_CPU_WIDE = 15,
>>
>> + /*
>> + * struct {
>> + * struct perf_event_header header;
>> + * u32 pid;
>> + * u32 tid;
>> + * struct namespace_link_info link_info[NAMESPACES_MAX];
>> + * struct sample_id sample_id;
>> + * };
>> + */
>> + PERF_RECORD_NAMESPACES = 16,
>> +
>> PERF_RECORD_MAX, /* non-ABI */
>> };
> What happens if a future kernel adds another namespace?
>
No impact unless NAMESPACES_MAX in include/uapi/linux/perf_event.h is
updated to accommodate that..
And if it is updated, the corresponding change is expected in perf-tool
as well..
Thanks
Hari
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[PATCH v4 0/3] perf: add support for analyzing events for containers Hari Bathini <hbathini@linux.vnet.ibm.com> - 2016-12-15 19:40 +0100
[PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Hari Bathini <hbathini@linux.vnet.ibm.com> - 2016-12-15 19:40 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Peter Zijlstra <peterz@infradead.org> - 2016-12-15 19:50 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Hari Bathini <hbathini@linux.vnet.ibm.com> - 2016-12-16 08:10 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Peter Zijlstra <peterz@infradead.org> - 2016-12-16 09:30 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Hari Bathini <hbathini@linux.vnet.ibm.com> - 2016-12-16 19:30 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Peter Zijlstra <peterz@infradead.org> - 2016-12-16 21:10 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Hari Bathini <hbathini@linux.vnet.ibm.com> - 2016-12-21 14:10 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Peter Zijlstra <peterz@infradead.org> - 2016-12-21 14:30 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Hari Bathini <hbathini@linux.vnet.ibm.com> - 2016-12-21 17:00 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info ebiederm@xmission.com (Eric W. Biederman) - 2016-12-22 08:30 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Peter Zijlstra <peterz@infradead.org> - 2016-12-22 09:00 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info ebiederm@xmission.com (Eric W. Biederman) - 2016-12-22 11:30 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info Peter Zijlstra <peterz@infradead.org> - 2016-12-22 14:30 +0100
Re: [PATCH v4 1/3] perf: add PERF_RECORD_NAMESPACES to include namespaces related info ebiederm@xmission.com (Eric W. Biederman) - 2016-12-22 19:30 +0100
[PATCH v4 2/3] perf tool: add PERF_RECORD_NAMESPACES to include namespaces related info Hari Bathini <hbathini@linux.vnet.ibm.com> - 2016-12-15 19:40 +0100
Re: [PATCH v4 2/3] perf tool: add PERF_RECORD_NAMESPACES to include namespaces related info Jiri Olsa <jolsa@redhat.com> - 2016-12-17 18:50 +0100
Re: [PATCH v4 2/3] perf tool: add PERF_RECORD_NAMESPACES to include namespaces related info Hari Bathini <hbathini@linux.vnet.ibm.com> - 2016-12-21 14:20 +0100
Re: [PATCH v4 0/3] perf: add support for analyzing events for containers Krister Johansen <kjlx@templeofstupid.com> - 2016-12-29 02:50 +0100
Re: [PATCH v4 0/3] perf: add support for analyzing events for containers Hari Bathini <hbathini@linux.vnet.ibm.com> - 2017-01-03 12:30 +0100
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