From: Ian Rogers <irogers@google.com>
Date: Tue, 11 Nov 2025 21:21:50 +0000 (-0800)
Subject: perf expr: Add #target_cpu literal
X-Git-Tag: v6.19-rc1~61^2~135
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e5140849b021889cf4dd8df5d2352e508213607;p=thirdparty%2Flinux.git

perf expr: Add #target_cpu literal

For CPU nanoseconds a lot of the stat-shadow metrics use either
task-clock or cpu-clock, the latter being used when
target__has_cpu. Add a #target_cpu literal so that json metrics can
perform the same test.

Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---

diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index 7fda0ff89c168..4df56f2b283d6 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -409,6 +409,9 @@ double expr__get_literal(const char *literal, const struct expr_scanner_ctx *ctx
 	} else if (!strcmp("#core_wide", literal)) {
 		result = core_wide(ctx->system_wide, ctx->user_requested_cpu_list)
 			? 1.0 : 0.0;
+	} else if (!strcmp("#target_cpu", literal)) {
+		result = (ctx->system_wide || ctx->user_requested_cpu_list)
+			? 1.0 : 0.0;
 	} else {
 		pr_err("Unrecognized literal '%s'", literal);
 	}