From: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
To: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Francois Dugast <francois.dugast@intel.com>,
intel-xe@lists.freedesktop.org
Subject: Re: [Intel-xe] [PATCH v2 03/20] drm/xe: Correlate engine and cpu timestamps with better accuracy
Date: Mon, 25 Sep 2023 18:37:12 -0700 [thread overview]
Message-ID: <ZRI1yPmabDfopQ77@unerlige-ril> (raw)
In-Reply-To: <20230920192940.135004-4-rodrigo.vivi@intel.com>
On Wed, Sep 20, 2023 at 03:29:23PM -0400, Rodrigo Vivi wrote:
>From: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
>
>Perf measurements rely on CPU and engine timestamps to correlate
>events of interest across these time domains. Current mechanisms get
>these timestamps separately and the calculated delta between these
>timestamps lack enough accuracy.
>
>To improve the accuracy of these time measurements to within a few us,
>add a query that returns the engine and cpu timestamps captured as
>close to each other as possible.
>
>Prior work: https://patchwork.freedesktop.org/series/87552/
>
>Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
>Signed-off-by: Francois Dugast <francois.dugast@intel.com>
>Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
>---
Should already have an R-b from Jose based on this -
https://patchwork.freedesktop.org/patch/552682/?series=122440&rev=1
Thanks,
Umesh
next prev parent reply other threads:[~2023-09-26 1:37 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-20 19:29 [Intel-xe] [PATCH v2 00/20] uAPI Alignment - take 1 v2 Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 01/20] drm/xe: Fix array bounds check for queries Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 02/20] drm/xe: Set the correct type for xe_to_user_engine_class Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 03/20] drm/xe: Correlate engine and cpu timestamps with better accuracy Rodrigo Vivi
2023-09-26 1:37 ` Umesh Nerlige Ramappa [this message]
2023-09-26 18:48 ` Rodrigo Vivi
2023-09-26 18:58 ` Umesh Nerlige Ramappa
2023-09-26 19:07 ` Rodrigo Vivi
2023-09-26 19:52 ` Umesh Nerlige Ramappa
2023-09-26 21:42 ` Rodrigo Vivi
2023-09-27 1:05 ` Umesh Nerlige Ramappa
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 04/20] drm/xe/uapi: Separate VM_BIND's operation and flag Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 05/20] drm/xe/vm: Remove VM_BIND_OP macro Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 06/20] drm/xe/uapi: Remove MMIO ioctl Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 07/20] drm/xe: Fix xe_exec_queue_is_idle for parallel exec queues Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 08/20] drm/xe: Deprecate XE_EXEC_QUEUE_SET_PROPERTY_COMPUTE_MODE implementation Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 09/20] drm/xe: Rename exec_queue_kill_compute to xe_vm_remove_compute_exec_queue Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 10/20] drm/xe: Remove XE_EXEC_QUEUE_SET_PROPERTY_COMPUTE_MODE from uAPI Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 11/20] drm/xe/uapi: Use common drm_xe_ext_set_property extension Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 12/20] drm/xe: Kill XE_VM_PROPERTY_BIND_OP_ERROR_CAPTURE_ADDRESS extension Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 13/20] drm/xe/uapi: Document drm_xe_query_gt Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 14/20] drm/xe/uapi: Replace useless 'instance' per unique gt_id Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 15/20] drm/xe/uapi: Remove unused field of drm_xe_query_gt Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 16/20] drm/xe/uapi: Rename gts to gt_list Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 17/20] drm/xe/uapi: Fix naming of XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 18/20] drm/xe/uapi: Add documentation for query Rodrigo Vivi
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 19/20] drm/xe/uapi: Crystal Reference Clock updates Rodrigo Vivi
2023-09-20 19:56 ` Souza, Jose
2023-09-20 20:09 ` Rodrigo Vivi
2023-09-21 15:50 ` Souza, Jose
2023-09-21 20:49 ` Rodrigo Vivi
2023-09-21 21:04 ` Souza, Jose
2023-09-20 19:29 ` [Intel-xe] [PATCH v2 20/20] drm/xe: Extend drm_xe_vm_bind_op Rodrigo Vivi
2023-09-20 19:52 ` [Intel-xe] ✓ CI.Patch_applied: success for uAPI Alignment - take 1 v2 Patchwork
2023-09-20 19:52 ` [Intel-xe] ✗ CI.checkpatch: warning " Patchwork
2023-09-20 19:53 ` [Intel-xe] ✓ CI.KUnit: success " Patchwork
2023-09-20 20:00 ` [Intel-xe] ✓ CI.Build: " Patchwork
2023-09-20 20:01 ` [Intel-xe] ✗ CI.Hooks: failure " Patchwork
2023-09-20 20:02 ` [Intel-xe] ✓ CI.checksparse: success " Patchwork
2023-09-20 20:36 ` [Intel-xe] ✗ CI.BAT: failure " Patchwork
2023-09-20 21:14 ` [Intel-xe] [PATCH v2 00/20] " Matt Roper
2023-09-20 21:54 ` Matthew Brost
2023-09-20 23:07 ` Matt Roper
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