1 files changed, 50 insertions, 43 deletions

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 87996cab21d..acbf6336199 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -475,7 +475,7 @@ static bool perf_session__read_build_ids(struct perf_session *session, bool with
         return ret;
 }
 
-static int write_tracing_data(int fd, struct perf_header *h __used,
+static int write_tracing_data(int fd, struct perf_header *h __maybe_unused,
                             struct perf_evlist *evlist)
 {
         return read_tracing_data(fd, &evlist->entries);
@@ -483,7 +483,7 @@ static int write_tracing_data(int fd, struct perf_header *h __used,
 
 
 static int write_build_id(int fd, struct perf_header *h,
-                          struct perf_evlist *evlist __used)
+                          struct perf_evlist *evlist __maybe_unused)
 {
         struct perf_session *session;
         int err;
@@ -504,8 +504,8 @@ static int write_build_id(int fd, struct perf_header *h,
         return 0;
 }
 
-static int write_hostname(int fd, struct perf_header *h __used,
-                          struct perf_evlist *evlist __used)
+static int write_hostname(int fd, struct perf_header *h __maybe_unused,
+                          struct perf_evlist *evlist __maybe_unused)
 {
         struct utsname uts;
         int ret;
@@ -517,8 +517,8 @@ static int write_hostname(int fd, struct perf_header *h __used,
         return do_write_string(fd, uts.nodename);
 }
 
-static int write_osrelease(int fd, struct perf_header *h __used,
-                           struct perf_evlist *evlist __used)
+static int write_osrelease(int fd, struct perf_header *h __maybe_unused,
+                           struct perf_evlist *evlist __maybe_unused)
 {
         struct utsname uts;
         int ret;
@@ -530,8 +530,8 @@ static int write_osrelease(int fd, struct perf_header *h __used,
         return do_write_string(fd, uts.release);
 }
 
-static int write_arch(int fd, struct perf_header *h __used,
-                      struct perf_evlist *evlist __used)
+static int write_arch(int fd, struct perf_header *h __maybe_unused,
+                      struct perf_evlist *evlist __maybe_unused)
 {
         struct utsname uts;
         int ret;
@@ -543,14 +543,14 @@ static int write_arch(int fd, struct perf_header *h __used,
         return do_write_string(fd, uts.machine);
 }
 
-static int write_version(int fd, struct perf_header *h __used,
-                         struct perf_evlist *evlist __used)
+static int write_version(int fd, struct perf_header *h __maybe_unused,
+                         struct perf_evlist *evlist __maybe_unused)
 {
         return do_write_string(fd, perf_version_string);
 }
 
-static int write_cpudesc(int fd, struct perf_header *h __used,
-                       struct perf_evlist *evlist __used)
+static int write_cpudesc(int fd, struct perf_header *h __maybe_unused,
+                       struct perf_evlist *evlist __maybe_unused)
 {
 #ifndef CPUINFO_PROC
 #define CPUINFO_PROC NULL
@@ -608,8 +608,8 @@ done:
         return ret;
 }
 
-static int write_nrcpus(int fd, struct perf_header *h __used,
-                        struct perf_evlist *evlist __used)
+static int write_nrcpus(int fd, struct perf_header *h __maybe_unused,
+                        struct perf_evlist *evlist __maybe_unused)
 {
         long nr;
         u32 nrc, nra;
@@ -634,7 +634,7 @@ static int write_nrcpus(int fd, struct perf_header *h __used,
         return do_write(fd, &nra, sizeof(nra));
 }
 
-static int write_event_desc(int fd, struct perf_header *h __used,
+static int write_event_desc(int fd, struct perf_header *h __maybe_unused,
                             struct perf_evlist *evlist)
 {
         struct perf_evsel *evsel;
@@ -691,8 +691,8 @@ static int write_event_desc(int fd, struct perf_header *h __used,
         return 0;
 }
 
-static int write_cmdline(int fd, struct perf_header *h __used,
-                         struct perf_evlist *evlist __used)
+static int write_cmdline(int fd, struct perf_header *h __maybe_unused,
+                         struct perf_evlist *evlist __maybe_unused)
 {
         char buf[MAXPATHLEN];
         char proc[32];
@@ -860,8 +860,8 @@ static struct cpu_topo *build_cpu_topology(void)
         return tp;
 }
 
-static int write_cpu_topology(int fd, struct perf_header *h __used,
-                          struct perf_evlist *evlist __used)
+static int write_cpu_topology(int fd, struct perf_header *h __maybe_unused,
+                          struct perf_evlist *evlist __maybe_unused)
 {
         struct cpu_topo *tp;
         u32 i;
@@ -896,8 +896,8 @@ done:
 
 
 
-static int write_total_mem(int fd, struct perf_header *h __used,
-                          struct perf_evlist *evlist __used)
+static int write_total_mem(int fd, struct perf_header *h __maybe_unused,
+                          struct perf_evlist *evlist __maybe_unused)
 {
         char *buf = NULL;
         FILE *fp;
@@ -982,8 +982,8 @@ done:
         return ret;
 }
 
-static int write_numa_topology(int fd, struct perf_header *h __used,
-                          struct perf_evlist *evlist __used)
+static int write_numa_topology(int fd, struct perf_header *h __maybe_unused,
+                          struct perf_evlist *evlist __maybe_unused)
 {
         char *buf = NULL;
         size_t len = 0;
@@ -1043,8 +1043,8 @@ done:
  * };
  */
 
-static int write_pmu_mappings(int fd, struct perf_header *h __used,
-                              struct perf_evlist *evlist __used)
+static int write_pmu_mappings(int fd, struct perf_header *h __maybe_unused,
+                              struct perf_evlist *evlist __maybe_unused)
 {
         struct perf_pmu *pmu = NULL;
         off_t offset = lseek(fd, 0, SEEK_CUR);
@@ -1074,13 +1074,14 @@ static int write_pmu_mappings(int fd, struct perf_header *h __used,
  * default get_cpuid(): nothing gets recorded
  * actual implementation must be in arch/$(ARCH)/util/header.c
  */
-int __attribute__((weak)) get_cpuid(char *buffer __used, size_t sz __used)
+int __attribute__ ((weak)) get_cpuid(char *buffer __maybe_unused,
+                                     size_t sz __maybe_unused)
 {
         return -1;
 }
 
-static int write_cpuid(int fd, struct perf_header *h __used,
-                       struct perf_evlist *evlist __used)
+static int write_cpuid(int fd, struct perf_header *h __maybe_unused,
+                       struct perf_evlist *evlist __maybe_unused)
 {
         char buffer[64];
         int ret;
@@ -1094,8 +1095,9 @@ write_it:
         return do_write_string(fd, buffer);
 }
 
-static int write_branch_stack(int fd __used, struct perf_header *h __used,
-                       struct perf_evlist *evlist __used)
+static int write_branch_stack(int fd __maybe_unused,
+                              struct perf_header *h __maybe_unused,
+                       struct perf_evlist *evlist __maybe_unused)
 {
         return 0;
 }
@@ -1372,7 +1374,8 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)
         free_event_desc(events);
 }
 
-static void print_total_mem(struct perf_header *h __used, int fd, FILE *fp)
+static void print_total_mem(struct perf_header *h __maybe_unused, int fd,
+                            FILE *fp)
 {
         uint64_t mem;
         ssize_t ret;
@@ -1390,7 +1393,8 @@ error:
         fprintf(fp, "# total memory : unknown\n");
 }
 
-static void print_numa_topology(struct perf_header *h __used, int fd, FILE *fp)
+static void print_numa_topology(struct perf_header *h __maybe_unused, int fd,
+                                FILE *fp)
 {
         ssize_t ret;
         u32 nr, c, i;
@@ -1450,7 +1454,8 @@ static void print_cpuid(struct perf_header *ph, int fd, FILE *fp)
         free(str);
 }
 
-static void print_branch_stack(struct perf_header *ph __used, int fd __used,
+static void print_branch_stack(struct perf_header *ph __maybe_unused,
+                               int fd __maybe_unused,
                                FILE *fp)
 {
         fprintf(fp, "# contains samples with branch stack\n");
@@ -1649,9 +1654,10 @@ out:
         return err;
 }
 
-static int process_tracing_data(struct perf_file_section *section __unused,
-                              struct perf_header *ph __unused,
-                              int feat __unused, int fd, void *data)
+static int process_tracing_data(struct perf_file_section *section
+                                __maybe_unused,
+                              struct perf_header *ph __maybe_unused,
+                              int feat __maybe_unused, int fd, void *data)
 {
         trace_report(fd, data, false);
         return 0;
@@ -1659,7 +1665,8 @@ static int process_tracing_data(struct perf_file_section *section __unused,
 
 static int process_build_id(struct perf_file_section *section,
                             struct perf_header *ph,
-                            int feat __unused, int fd, void *data __used)
+                            int feat __maybe_unused, int fd,
+                            void *data __maybe_unused)
 {
         if (perf_header__read_build_ids(ph, fd, section->offset, section->size))
                 pr_debug("Failed to read buildids, continuing...\n");
@@ -1698,9 +1705,9 @@ perf_evlist__set_event_name(struct perf_evlist *evlist, struct perf_evsel *event
 }
 
 static int
-process_event_desc(struct perf_file_section *section __unused,
-                   struct perf_header *header, int feat __unused, int fd,
-                   void *data __used)
+process_event_desc(struct perf_file_section *section __maybe_unused,
+                   struct perf_header *header, int feat __maybe_unused, int fd,
+                   void *data __maybe_unused)
 {
         struct perf_session *session = container_of(header, struct perf_session, header);
         struct perf_evsel *evsel, *events = read_event_desc(header, fd);
@@ -2596,7 +2603,7 @@ int perf_event__synthesize_event_types(struct perf_tool *tool,
         return err;
 }
 
-int perf_event__process_event_type(struct perf_tool *tool __unused,
+int perf_event__process_event_type(struct perf_tool *tool __maybe_unused,
                                    union perf_event *event)
 {
         if (perf_header__push_event(event->event_type.event_type.event_id,
@@ -2613,7 +2620,7 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,
         union perf_event ev;
         struct tracing_data *tdata;
         ssize_t size = 0, aligned_size = 0, padding;
-        int err __used = 0;
+        int err __maybe_unused = 0;
 
         /*
          * We are going to store the size of the data followed
@@ -2712,7 +2719,7 @@ int perf_event__synthesize_build_id(struct perf_tool *tool,
         return err;
 }
 
-int perf_event__process_build_id(struct perf_tool *tool __used,
+int perf_event__process_build_id(struct perf_tool *tool __maybe_unused,
                                  union perf_event *event,
                                  struct perf_session *session)
 {