[PATCH v6 8/8] drm/xe/pf: Enable per-function engine activity stats
Riana Tauro
riana.tauro at intel.com
Tue Feb 11 10:09:50 UTC 2025
Enable per-function engine activity stats when VF's are enabled
and disable when VF's are disabled
v2: fix commit message
remove reset stats from pf config (Michal)
Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
Signed-off-by: Riana Tauro <riana.tauro at intel.com>
---
drivers/gpu/drm/xe/xe_pci_sriov.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/gpu/drm/xe/xe_pci_sriov.c b/drivers/gpu/drm/xe/xe_pci_sriov.c
index aaceee748287..0159b10b4eae 100644
--- a/drivers/gpu/drm/xe/xe_pci_sriov.c
+++ b/drivers/gpu/drm/xe/xe_pci_sriov.c
@@ -7,6 +7,7 @@
#include "xe_device.h"
#include "xe_gt_sriov_pf_config.h"
#include "xe_gt_sriov_pf_control.h"
+#include "xe_guc_engine_activity.h"
#include "xe_pci_sriov.h"
#include "xe_pm.h"
#include "xe_sriov.h"
@@ -62,6 +63,20 @@ static void pf_reset_vfs(struct xe_device *xe, unsigned int num_vfs)
xe_gt_sriov_pf_control_trigger_flr(gt, n);
}
+static void pf_engine_activity_stats(struct xe_device *xe, unsigned int num_vfs, bool enable)
+{
+ struct xe_gt *gt;
+ unsigned int id;
+ int ret = 0;
+
+ for_each_gt(gt, xe, id) {
+ ret = xe_guc_engine_activity_function_stats(>->uc.guc, num_vfs, enable);
+ if (ret)
+ xe_sriov_info(xe, "Failed to %s engine activity function stats (%pe)\n",
+ str_enable_disable(enable), ERR_PTR(ret));
+ }
+}
+
static int pf_enable_vfs(struct xe_device *xe, int num_vfs)
{
struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
@@ -94,6 +109,9 @@ static int pf_enable_vfs(struct xe_device *xe, int num_vfs)
xe_sriov_info(xe, "Enabled %u of %u VF%s\n",
num_vfs, total_vfs, str_plural(total_vfs));
+
+ pf_engine_activity_stats(xe, num_vfs, true);
+
return num_vfs;
failed:
@@ -117,6 +135,8 @@ static int pf_disable_vfs(struct xe_device *xe)
if (!num_vfs)
return 0;
+ pf_engine_activity_stats(xe, num_vfs, false);
+
pci_disable_sriov(pdev);
pf_reset_vfs(xe, num_vfs);
--
2.47.1
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