From: Ohad Sharabi <osharabi@habana.ai>
This patch utilize the defined tracepoint to trace the MMU's pages
map/unmap operations.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---
Changes in v2:
- Avoid check the return code in case tracing is disabled
drivers/misc/habanalabs/common/mmu/mmu.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/misc/habanalabs/common/mmu/mmu.c b/drivers/misc/habanalabs/common/mmu/mmu.c
index 60740de47b34..f901e668a468 100644
--- a/drivers/misc/habanalabs/common/mmu/mmu.c
+++ b/drivers/misc/habanalabs/common/mmu/mmu.c
@@ -9,6 +9,8 @@
#include "../habanalabs.h"
+#include <trace/events/habanalabs.h>
+
/**
* hl_mmu_get_funcs() - get MMU functions structure
* @hdev: habanalabs device structure.
@@ -259,6 +261,9 @@ int hl_mmu_unmap_page(struct hl_ctx *ctx, u64 virt_addr, u32 page_size, bool flu
if (flush_pte)
mmu_funcs->flush(ctx);
+ if (trace_habanalabs_mmu_unmap_enabled() && !rc)
+ trace_habanalabs_mmu_unmap(hdev->dev, virt_addr, 0, page_size, flush_pte);
+
return rc;
}
@@ -344,6 +349,8 @@ int hl_mmu_map_page(struct hl_ctx *ctx, u64 virt_addr, u64 phys_addr, u32 page_s
if (flush_pte)
mmu_funcs->flush(ctx);
+ trace_habanalabs_mmu_map(hdev->dev, virt_addr, phys_addr, page_size, flush_pte);
+
return 0;
err:
--
2.25.1