core-perf: add swiotlb perf event and bump event count up as we are r…

…unning low Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
ColinIanKing · Feb 27, 2024 · ac7908b · ac7908b
1 parent f7393f4
commit ac7908b
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/core-perf.c b/core-perf.c
@@ -259,6 +259,8 @@ static stress_perf_info_t perf_info[STRESS_PERF_MAX] = {
 #if 1
 	PERF_INFO_TP("tlb/tlb_flush",			"TLB Flushes"),
 #endif
+	PERF_INFO_TP("swiotlb/swiotlb_bounced",		"Software I/O TLB Bounces"),
+
 	PERF_INFO_TP("kmem/kmalloc",			"Kmalloc"),
 	PERF_INFO_TP("kmem/kmalloc_node",		"Kmalloc Node"),
 	PERF_INFO_TP("kmem/kfree",			"Kfree"),

diff --git a/core-perf.h b/core-perf.h
@@ -27,7 +27,7 @@
     defined(__NR_perf_event_open)
 #define STRESS_PERF_STATS	(1)
 #define STRESS_PERF_INVALID	(~0ULL)
-#define STRESS_PERF_MAX		(128 + 16)
+#define STRESS_PERF_MAX		(128 + 32)
 
 /* per perf counter info */
 typedef struct {