linux-kernel - [PATCH 1/2] perf daemon: Fix the warning about time

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Date: Tue, 5 Mar 2024 20:05:00 +0800
From: Ben Zong-You Xie <ben717@...estech.com>
To: <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
        <namhyung@...nel.org>, <mark.rutland@....com>,
        <alexander.shishkin@...ux.intel.com>, <jolsa@...nel.org>,
        <irogers@...gle.com>, <adrian.hunter@...el.com>,
        <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>, <linux-perf-users@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
CC: <dylan@...estech.com>, <tim609@...estech.com>,
        Ben Zong-You Xie
	<ben717@...estech.com>
Subject: [PATCH 1/2] perf daemon: Fix the warning about time_t

In the 32-bit platform, the size of time_t is still 64 bits. Thus, use 
PRIu64 to resolve the format problem.

Signed-off-by: Ben Zong-You Xie <ben717@...estech.com>
---
 tools/perf/builtin-daemon.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/perf/builtin-daemon.c b/tools/perf/builtin-daemon.c
index 83954af36753..0b6ffd51c475 100644
--- a/tools/perf/builtin-daemon.c
+++ b/tools/perf/builtin-daemon.c
@@ -23,6 +23,7 @@
 #include <sys/signalfd.h>
 #include <sys/wait.h>
 #include <poll.h>
+#include <inttypes.h>
 #include "builtin.h"
 #include "perf.h"
 #include "debug.h"
@@ -688,7 +689,7 @@ static int cmd_session_list(struct daemon *daemon, union cmd *cmd, FILE *out)
 			/* lock */
 			csv_sep, daemon->base, "lock");
 
-		fprintf(out, "%c%lu",
+		fprintf(out, "%c%" PRIu64 "",
 			/* session up time */
 			csv_sep, (curr - daemon->start) / 60);
 
@@ -700,7 +701,7 @@ static int cmd_session_list(struct daemon *daemon, union cmd *cmd, FILE *out)
 				daemon->base, SESSION_OUTPUT);
 			fprintf(out, "  lock:    %s/lock\n",
 				daemon->base);
-			fprintf(out, "  up:      %lu minutes\n",
+			fprintf(out, "  up:      %" PRIu64 " minutes\n",
 				(curr - daemon->start) / 60);
 		}
 	}
@@ -727,7 +728,7 @@ static int cmd_session_list(struct daemon *daemon, union cmd *cmd, FILE *out)
 				/* session ack */
 				csv_sep, session->base, SESSION_ACK);
 
-			fprintf(out, "%c%lu",
+			fprintf(out, "%c%" PRIu64 "",
 				/* session up time */
 				csv_sep, (curr - session->start) / 60);
 
@@ -745,7 +746,7 @@ static int cmd_session_list(struct daemon *daemon, union cmd *cmd, FILE *out)
 				session->base, SESSION_CONTROL);
 			fprintf(out, "  ack:     %s/%s\n",
 				session->base, SESSION_ACK);
-			fprintf(out, "  up:      %lu minutes\n",
+			fprintf(out, "  up:      %" PRIu64 " minutes\n",
 				(curr - session->start) / 60);
 		}
 	}
-- 
2.34.1