From: "Dixit, Ashutosh" <ashutosh.dixit@intel.com>
To: intel-xe@lists.freedesktop.org
Subject: Re: [Intel-xe] [PATCH 17/17] drm/xe/oa: Remove filtering reports on context id
Date: Fri, 08 Sep 2023 18:24:37 -0700 [thread overview]
Message-ID: <87pm2sqgtm.wl-ashutosh.dixit@intel.com> (raw)
In-Reply-To: <20230908042348.1592535-18-ashutosh.dixit@intel.com>
On Thu, 07 Sep 2023 21:23:48 -0700, Ashutosh Dixit wrote:
>
Hi Umesh,
> At present XE OA code does not obtain context id's from GuC. Even if these
> context id's were available it is not clear if included reports for
> userspace should be filtered on context id's. Till these issues are
> resolved remove filtering reports based on context id's.
Need more clarity on what we are doing here and why.
> @@ -419,21 +409,10 @@ static int xe_oa_append_reports(struct xe_oa_stream *stream, char __user *buf,
> * since it's not-uncommon for periodic samples to identify a switch
> * before any 'context switch' report.
> */
> - if (!stream->exec_q || stream->specific_ctx_id == ctx_id ||
> - stream->oa_buffer.last_ctx_id == stream->specific_ctx_id ||
> - reason & OAREPORT_REASON_CTX_SWITCH) {
> - /*
> - * While filtering for a single context we avoid
> - * leaking the IDs of other contexts.
> - */
> - if (stream->exec_q && stream->specific_ctx_id != ctx_id)
> - oa_context_id_squash(stream, report32);
> -
> + if (!stream->exec_q || reason & OAREPORT_REASON_CTX_SWITCH) {
Also, could you take a look at this? I wasn't sure, should we do this, or
should we call xe_oa_append_sample() below unconditionally if we are
removing context filtering.
> ret = xe_oa_append_sample(stream, buf, count, offset, report);
> if (ret)
> break;
> -
> - stream->oa_buffer.last_ctx_id = ctx_id;
> }
Thanks.
--
Ashutosh
next prev parent reply other threads:[~2023-09-09 1:24 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-08 4:23 [Intel-xe] [PATCH 00/17] Add OA functionality to Xe Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 01/17] drm/xe/oa: Introduce OA (observability architecture) uapi Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 02/17] drm/xe/oa: Add OA types Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 03/17] drm/xe/oa: Add registers and GPU commands used by OA Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 04/17] drm/xe/oa: Module init/exit and probe/remove Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 05/17] drm/xe/oa: Add/remove config ioctl's Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 06/17] drm/xe/oa: Start implementing OA stream open ioctl Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 07/17] drm/xe/oa: OA stream initialization Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 08/17] drm/xe/oa: Expose OA stream fd Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 09/17] drm/xe/oa: Read file_operation Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 10/17] drm/xe/oa: Implement queries Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 11/17] drm/xe/oa: Override GuC RC with OA on PVC Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 12/17] drm/xe/perf: "Perf" layer to support multiple perf counter stream types Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 13/17] drm/xe/oa: Multiplex PERF ops through a single PERF ioctl Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 14/17] drm/xe/oa: Simplify OA configs in uapi Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 15/17] drm/xe/oa: Remove OA format names from OA uapi Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 16/17] drm/xe/oa: Make xe_oa_timestamp_frequency per gt Ashutosh Dixit
2023-09-08 4:23 ` [Intel-xe] [PATCH 17/17] drm/xe/oa: Remove filtering reports on context id Ashutosh Dixit
2023-09-09 1:24 ` Dixit, Ashutosh [this message]
2023-11-13 20:22 ` Dixit, Ashutosh
2023-09-08 4:26 ` [Intel-xe] ✓ CI.Patch_applied: success for Add OA functionality to Xe (rev5) Patchwork
2023-09-08 4:27 ` [Intel-xe] ✗ CI.checkpatch: warning " Patchwork
2023-09-08 4:28 ` [Intel-xe] ✓ CI.KUnit: success " Patchwork
2023-09-08 4:35 ` [Intel-xe] ✓ CI.Build: " Patchwork
2023-09-08 4:35 ` [Intel-xe] ✗ CI.Hooks: failure " Patchwork
2023-09-19 21:18 ` Dixit, Ashutosh
2023-09-08 4:36 ` [Intel-xe] ✓ CI.checksparse: success " Patchwork
2023-09-08 5:10 ` [Intel-xe] ✗ CI.BAT: failure " Patchwork
2023-09-19 21:27 ` Dixit, Ashutosh
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