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Message-Id: <20241016215139.212939-2-irogers@google.com>
Date: Wed, 16 Oct 2024 14:51:32 -0700
From: Ian Rogers <irogers@...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>, 
	Kan Liang <kan.liang@...ux.intel.com>, John Garry <john.g.garry@...cle.com>, 
	Will Deacon <will@...nel.org>, James Clark <james.clark@...aro.org>, 
	Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>, 
	Yicong Yang <yangyicong@...ilicon.com>, Weilin Wang <weilin.wang@...el.com>, 
	Tim Chen <tim.c.chen@...ux.intel.com>, Thomas Richter <tmricht@...ux.ibm.com>, 
	Sumanth Korikkar <sumanthk@...ux.ibm.com>, linux-perf-users@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: [PATCH v4 1/7] perf color: Add printf format checking and resolve issues

Add printf format checking to vararg printf routines in
color.h. Resolve build errors/bugs that are found through this
checking.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/builtin-sched.c        | 2 +-
 tools/perf/builtin-trace.c        | 2 +-
 tools/perf/util/arm-spe.c         | 2 +-
 tools/perf/util/color.h           | 9 +++++----
 tools/perf/util/intel-bts.c       | 2 +-
 tools/perf/util/intel-pt.c        | 2 +-
 tools/perf/util/s390-cpumsf.c     | 2 +-
 tools/perf/util/s390-sample-raw.c | 6 +++---
 8 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index fdf979aaf275..99bfc3ad71e2 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1739,7 +1739,7 @@ static int map_switch_event(struct perf_sched *sched, struct evsel *evsel,
 	}
 
 	if (sched->map.comp && new_cpu)
-		color_fprintf(stdout, color, " (CPU %d)", this_cpu);
+		color_fprintf(stdout, color, " (CPU %d)", this_cpu.cpu);
 
 	if (proceed != 1) {
 		color_fprintf(stdout, color, "\n");
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 0b30297b4ecb..748b061f8678 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1873,7 +1873,7 @@ static int trace__process_event(struct trace *trace, struct machine *machine,
 	switch (event->header.type) {
 	case PERF_RECORD_LOST:
 		color_fprintf(trace->output, PERF_COLOR_RED,
-			      "LOST %" PRIu64 " events!\n", event->lost.lost);
+			      "LOST %" PRIu64 " events!\n", (u64)event->lost.lost);
 		ret = machine__process_lost_event(machine, event, sample);
 		break;
 	default:
diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index 13fd2c8afebd..fd0d793ecad8 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -122,7 +122,7 @@ static void arm_spe_dump(struct arm_spe *spe __maybe_unused,
 		else
 			pkt_len = 1;
 		printf(".");
-		color_fprintf(stdout, color, "  %08x: ", pos);
+		color_fprintf(stdout, color, "  %08zx: ", pos);
 		for (i = 0; i < pkt_len; i++)
 			color_fprintf(stdout, color, " %02x", buf[i]);
 		for (; i < 16; i++)
diff --git a/tools/perf/util/color.h b/tools/perf/util/color.h
index aecf56dae73f..b2f37de305f6 100644
--- a/tools/perf/util/color.h
+++ b/tools/perf/util/color.h
@@ -2,6 +2,7 @@
 #ifndef __PERF_COLOR_H
 #define __PERF_COLOR_H
 
+#include <linux/compiler.h>
 #include <stdio.h>
 #include <stdarg.h>
 
@@ -37,11 +38,11 @@ int perf_config_colorbool(const char *var, const char *value, int stdout_is_tty)
 int color_vsnprintf(char *bf, size_t size, const char *color,
 		    const char *fmt, va_list args);
 int color_vfprintf(FILE *fp, const char *color, const char *fmt, va_list args);
-int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
-int color_snprintf(char *bf, size_t size, const char *color, const char *fmt, ...);
+int color_fprintf(FILE *fp, const char *color, const char *fmt, ...) __printf(3, 4);
+int color_snprintf(char *bf, size_t size, const char *color, const char *fmt, ...) __printf(4, 5);
 int value_color_snprintf(char *bf, size_t size, const char *fmt, double value);
-int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...);
-int percent_color_len_snprintf(char *bf, size_t size, const char *fmt, ...);
+int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...) __printf(3, 4);
+int percent_color_len_snprintf(char *bf, size_t size, const char *fmt, ...) __printf(3, 4);
 int percent_color_fprintf(FILE *fp, const char *fmt, double percent);
 const char *get_percent_color(double percent);
 
diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index 27d9b5c9fec8..3ea82d5e8d2e 100644
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -100,7 +100,7 @@ static void intel_bts_dump(struct intel_bts *bts __maybe_unused,
 		else
 			sz = len;
 		printf(".");
-		color_fprintf(stdout, color, "  %08x: ", pos);
+		color_fprintf(stdout, color, "  %08zx: ", pos);
 		for (i = 0; i < sz; i++)
 			color_fprintf(stdout, color, " %02x", buf[i]);
 		for (; i < br_sz; i++)
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index fd2597613f3d..3fe67bf652b6 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -249,7 +249,7 @@ static void intel_pt_dump(struct intel_pt *pt __maybe_unused,
 		else
 			pkt_len = 1;
 		printf(".");
-		color_fprintf(stdout, color, "  %08x: ", pos);
+		color_fprintf(stdout, color, "  %08zx: ", pos);
 		for (i = 0; i < pkt_len; i++)
 			color_fprintf(stdout, color, " %02x", buf[i]);
 		for (; i < 16; i++)
diff --git a/tools/perf/util/s390-cpumsf.c b/tools/perf/util/s390-cpumsf.c
index 73846b73d0cf..30638653ad2d 100644
--- a/tools/perf/util/s390-cpumsf.c
+++ b/tools/perf/util/s390-cpumsf.c
@@ -345,7 +345,7 @@ static bool s390_cpumsf_trailer_show(const char *color, size_t pos,
 	}
 	color_fprintf(stdout, color, "    [%#08zx] Trailer %c%c%c bsdes:%d"
 		      " dsdes:%d Overflow:%lld Time:%#llx\n"
-		      "\t\tC:%d TOD:%#lx\n",
+		      "\t\tC:%d TOD:%#llx\n",
 		      pos,
 		      te->f ? 'F' : ' ',
 		      te->a ? 'A' : ' ',
diff --git a/tools/perf/util/s390-sample-raw.c b/tools/perf/util/s390-sample-raw.c
index 53383e97ec9d..d07a94242905 100644
--- a/tools/perf/util/s390-sample-raw.c
+++ b/tools/perf/util/s390-sample-raw.c
@@ -98,12 +98,12 @@ static void s390_cpumcfdg_dumptrail(const char *color, size_t offset,
 	te.res2 = be32_to_cpu(tep->res2);
 
 	color_fprintf(stdout, color, "    [%#08zx] Trailer:%c%c%c%c%c"
-		      " Cfvn:%d Csvn:%d Speed:%d TOD:%#llx\n",
+		      " Cfvn:%d Csvn:%d Speed:%d TOD:%#lx\n",
 		      offset, te.clock_base ? 'T' : ' ',
 		      te.speed ? 'S' : ' ', te.mtda ? 'M' : ' ',
 		      te.caca ? 'C' : ' ', te.lcda ? 'L' : ' ',
 		      te.cfvn, te.csvn, te.cpu_speed, te.timestamp);
-	color_fprintf(stdout, color, "\t\t1:%lx 2:%lx 3:%lx TOD-Base:%#llx"
+	color_fprintf(stdout, color, "\t\t1:%lx 2:%lx 3:%lx TOD-Base:%#lx"
 		      " Type:%x\n\n",
 		      te.progusage1, te.progusage2, te.progusage3,
 		      te.tod_base, te.mach_type);
@@ -205,7 +205,7 @@ static void s390_cpumcfdg_dump(struct perf_pmu *pmu, struct perf_sample *sample)
 			char *ev_name = get_counter_name(ce.set, i, pmu);
 
 			color_fprintf(stdout, color,
-				      "\tCounter:%03d %s Value:%#018lx\n", i,
+				      "\tCounter:%03zd %s Value:%#018lx\n", i,
 				      ev_name ?: "<unknown>", be64_to_cpu(*p));
 			free(ev_name);
 		}
-- 
2.47.0.105.g07ac214952-goog


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