linux-kernel - [PATCH v3 02/10] perf annotate: Rename TSR_KIND_POINTER to TSR_KIND_PERCPU

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Message-ID: <20250917195808.2514277-3-zecheng@google.com>
Date: Wed, 17 Sep 2025 19:58:00 +0000
From: Zecheng Li <zecheng@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	"Liang, Kan" <kan.liang@...ux.intel.com>, Masami Hiramatsu <mhiramat@...nel.org>
Cc: Xu Liu <xliuprof@...gle.com>, linux-perf-users@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Zecheng Li <zecheng@...gle.com>
Subject: [PATCH v3 02/10] perf annotate: Rename TSR_KIND_POINTER to TSR_KIND_PERCPU_POINTER

TSR_KIND_POINTER only represents percpu pointers currently. Rename it to
TSR_KIND_PERCPU_POINTER so we can use the TSR_KIND_POINTER to represent
pointer to a type.

Signed-off-by: Zecheng Li <zecheng@...gle.com>
---
 tools/perf/arch/x86/annotate/instructions.c | 4 ++--
 tools/perf/util/annotate-data.c             | 6 +++---
 tools/perf/util/annotate-data.h             | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c
index c6d403eae744..da98a4e3c52c 100644
--- a/tools/perf/arch/x86/annotate/instructions.c
+++ b/tools/perf/arch/x86/annotate/instructions.c
@@ -301,7 +301,7 @@ static void update_insn_state_x86(struct type_state *state,
 			 * as a pointer.
 			 */
 			tsr->type = type_die;
-			tsr->kind = TSR_KIND_POINTER;
+			tsr->kind = TSR_KIND_PERCPU_POINTER;
 			tsr->ok = true;
 
 			pr_debug_dtp("add [%x] percpu %#"PRIx64" -> reg%d",
@@ -521,7 +521,7 @@ static void update_insn_state_x86(struct type_state *state,
 		}
 		/* And then dereference the calculated pointer if it has one */
 		else if (has_reg_type(state, sreg) && state->regs[sreg].ok &&
-			 state->regs[sreg].kind == TSR_KIND_POINTER &&
+			 state->regs[sreg].kind == TSR_KIND_PERCPU_POINTER &&
 			 die_get_member_type(&state->regs[sreg].type,
 					     src->offset, &type_die)) {
 			tsr->type = type_die;
diff --git a/tools/perf/util/annotate-data.c b/tools/perf/util/annotate-data.c
index 258157cc43c2..903027a6fb7d 100644
--- a/tools/perf/util/annotate-data.c
+++ b/tools/perf/util/annotate-data.c
@@ -58,7 +58,7 @@ void pr_debug_type_name(Dwarf_Die *die, enum type_state_kind kind)
 	case TSR_KIND_CONST:
 		pr_info(" constant\n");
 		return;
-	case TSR_KIND_POINTER:
+	case TSR_KIND_PERCPU_POINTER:
 		pr_info(" pointer");
 		/* it also prints the type info */
 		break;
@@ -591,7 +591,7 @@ void set_stack_state(struct type_state_stack *stack, int offset, u8 kind,
 	switch (tag) {
 	case DW_TAG_structure_type:
 	case DW_TAG_union_type:
-		stack->compound = (kind != TSR_KIND_POINTER);
+		stack->compound = (kind != TSR_KIND_PERCPU_POINTER);
 		break;
 	default:
 		stack->compound = false;
@@ -1116,7 +1116,7 @@ static enum type_match_result check_matching_type(struct type_state *state,
 		return PERF_TMR_OK;
 	}
 
-	if (state->regs[reg].kind == TSR_KIND_POINTER) {
+	if (state->regs[reg].kind == TSR_KIND_PERCPU_POINTER) {
 		pr_debug_dtp("percpu ptr");
 
 		/*
diff --git a/tools/perf/util/annotate-data.h b/tools/perf/util/annotate-data.h
index 541fee1a5f0a..dd3807b55208 100644
--- a/tools/perf/util/annotate-data.h
+++ b/tools/perf/util/annotate-data.h
@@ -34,7 +34,7 @@ enum type_state_kind {
 	TSR_KIND_TYPE,
 	TSR_KIND_PERCPU_BASE,
 	TSR_KIND_CONST,
-	TSR_KIND_POINTER,
+	TSR_KIND_PERCPU_POINTER,
 	TSR_KIND_CANARY,
 };
 
-- 
2.51.0.384.g4c02a37b29-goog