Snippets for trace-cmd 3.3.1 from Fedora aarch64

Sourced from https://kojipkgs.fedoraproject.org/packages/trace-cmd/3.3.1/7.fc45/data/logs/aarch64/build.log.

trace-input.c:4458:51: warning: ‘offset’ may be used uninitialized [-Wmaybe-uninitialized]
 4458 |                 handle->cpu_data[cpu].file_offset = offset;
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~

trace-input.c:4460:20: warning: ‘size’ may be used uninitialized [-Wmaybe-uninitialized]
 4460 |                 if (size && (offset + size > handle->total_file_size)) {
      |                    ^

trace-output.c:2751:13: warning: variable ‘size’ set but not used [-Wunused-but-set-variable=]
 2751 |         int size = 0;
      |             ^~~~

trace-recorder.c:88:25: warning: ignoring return value of ‘ftruncate’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   88 |                         ftruncate(recorder->fd1, 0);
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-recorder.c:422:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  422 |                 write(recorder->fd, buf, recorder->subbuf_size - wrote);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-recorder.c:335:9: warning: ignoring return value of ‘ftruncate’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  335 |         ftruncate(fd, 0);
      |         ^~~~~~~~~~~~~~~~

trace-util.c:617:9: warning: ignoring return value of ‘asprintf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  617 |         asprintf(&str, "%ld %ld %ld %ld %ld %ld %ld %ld %d",
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  618 |                  ts.tv_sec, ts.tv_nsec,
      |                  ~~~~~~~~~~~~~~~~~~~~~~
  619 |                  sinfo.loads[0], sinfo.loads[1], sinfo.loads[2],
      |                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  620 |                  sinfo.freeram, sinfo.sharedram, sinfo.freeswap,
      |                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  621 |                  sinfo.procs);
      |                  ~~~~~~~~~~~~

trace-msg.c:1415:9: warning: ‘strncpy’ specified bound 16 equals destination size [-Wstringop-truncation]
 1415 |         strncpy(msg.tsync.sync_protocol_name, sync_protocol, TRACECMD_TSYNC_PNAME_LENGTH);
      |         ^

trace-timesync.c:84:9: warning: ‘strncpy’ specified bound 16 equals destination size [-Wstringop-truncation]
   84 |         strncpy(proto->proto_name, proto_name, TRACECMD_TSYNC_PNAME_LENGTH);
      |         ^

trace-timesync-ptp.c:415:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  415 |                 write(ctx->ptp->marker_fd, marker, sizeof(struct ptp_marker));
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-timesync-kvm.c:557:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  557 |         write(kvm->marker_fd, KVM_EVENT_MARKER, strlen(KVM_EVENT_MARKER) + 1);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-timesync-kvm.c:293:17: warning: ignoring return value of ‘asprintf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  293 |                 asprintf(&vm_dir_str, "%s/%s", kvm_debug_dir(), entry->d_name);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-timesync-kvm.c:231:66: warning: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Wformat-truncation=]
  231 |                                 snprintf(path, sizeof(path), "%s/%s",
      |                                                                  ^~

trace-timesync-kvm.c:236:66: warning: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Wformat-truncation=]
  236 |                                 snprintf(path, sizeof(path), "%s/%s",
      |                                                                  ^~

trace-timesync-kvm.c:241:66: warning: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Wformat-truncation=]
  241 |                                 snprintf(path, sizeof(path), "%s/%s",
      |                                                                  ^~

trace-record.c:6170:21: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
 6170 |                 ptr = strchr(opts, c);
      |                     ^

trace-record.c:2629:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 2629 |         write(fd, "1", 1);
      |         ^~~~~~~~~~~~~~~~~

trace-record.c:1941:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 1941 |         write(fd, &zero, 1);
      |         ^~~~~~~~~~~~~~~~~~~

trace-record.c:1025:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 1025 |         write(fd, " ", 1);
      |         ^~~~~~~~~~~~~~~~~

trace-record.c:5081:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 5081 |                 write(tfd, STAMP, 5);
      |                 ^~~~~~~~~~~~~~~~~~~~

trace-record.c:4920:9: warning: ignoring return value of ‘read’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 4920 |         read(fd, buf, 1);
      |         ^~~~~~~~~~~~~~~~

trace-record.c:2966:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 2966 |         write(fd, instance->cpumask, strlen(instance->cpumask));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:3801:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 3801 |         write(fd, V3_CPU, sizeof(V3_CPU));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:3816:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 3816 |                 write(fd, V3_MAGIC, sizeof(V3_MAGIC));
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:3697:9: warning: ignoring return value of ‘read’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 3697 |         read(msg_handle->fd, buf, 8);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:3718:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 3718 |         write(msg_handle->fd, buf, strlen(buf)+1);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:3724:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 3724 |         write(msg_handle->fd, buf, strlen(buf)+1);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:3740:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 3740 |                 write(msg_handle->fd, "1", 2);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:3742:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 3742 |                 write(msg_handle->fd, "4", 2);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:3744:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 3744 |                 write(msg_handle->fd, "TCP", 4);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:3747:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 3747 |                 write(msg_handle->fd, "0", 2);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:1162:17: warning: ignoring return value of ‘asprintf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 1162 |                 asprintf(&filter, "(%s)&&(%s)", curr_filter, filter);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-record.c:2421:17: warning: ‘__strncpy_chk’ specified bound depends on the length of the source argument [-Wstringop-truncation]
 2421 |                 strncpy(trigger + 1, line, len);
      |                 ^

trace-record.c:2491:17: warning: ‘__strncpy_chk’ specified bound depends on the length of the source argument [-Wstringop-truncation]
 2491 |                 strncpy(filter + 1, line, len);
      |                 ^

trace-record.c:1833:17: warning: ‘strncpy’ specified bound 4352 equals destination size [-Wstringop-truncation]
 1833 |                 strncpy(buf, argv[0], sizeof(buf));
      |                 ^

trace-record.c:4213:31: warning: ‘nr_fifos’ may be used uninitialized [-Wmaybe-uninitialized]
 4213 |                 for (i = 0; i < nr_fifos; i++)
      |                             ~~^~~~~~~~~~

trace-read.c:1962:13: warning: ‘handle’ may be used uninitialized [-Wmaybe-uninitialized]
 1962 |         if (tracecmd_get_flags(handle) & TRACECMD_FL_RAW_TS) {
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~

trace-read.c:1204:47: warning: ‘first_ts’ may be used uninitialized [-Wmaybe-uninitialized]
 1204 |                         if (first || first_ts > ts)
      |                                      ~~~~~~~~~^~~~

trace-read.c:1212:20: warning: ‘ret’ may be used uninitialized [-Wmaybe-uninitialized]
 1212 |                 if (ret > 0) {
      |                    ^

trace-split.c:282:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  282 |         write(cpu_data->fd, cpu_data->page, page_size);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-split.c:789:61: warning: ‘prev_arg_idx’ may be used uninitialized [-Wmaybe-uninitialized]
  789 |                         if (prev_arg_type != PREV_IS_BUFFER &&
      |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
  790 |                             (prev_arg_idx != optind - 2))
      |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-split.c:570:25: warning: ‘count’ may be used uninitialized [-Wmaybe-uninitialized]
  570 |                         parse_cpu(curr_handle, cpu_data, start,
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  571 |                                   end, count, percpu, -1, type, &curr_end_reached);
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-listen.c:1012:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 1012 |         write(fd, buf, strlen(buf));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-listen.c:356:9: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  356 |         write(fd, "tracecmd", 8);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~

trace-listen.c:390:25: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  390 |                         write(fd, "V3", 3);
      |                         ^~~~~~~~~~~~~~~~~~

trace-listen.c:395:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  395 |                 write(fd, "V3", 3);
      |                 ^~~~~~~~~~~~~~~~~~

trace-listen.c:403:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  403 |                 write(fd, "OK", 2);
      |                 ^~~~~~~~~~~~~~~~~~

trace-listen.c:578:25: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  578 |                         write(msg_handle->fd, buf, strlen(buf));
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-listen.c:581:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  581 |                 write(msg_handle->fd, "\0", 1);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-listen.c:559:32: warning: ‘pid’ may be used uninitialized [-Wmaybe-uninitialized]
  559 |                 pid_array[cpu] = pid;
      |                 ~~~~~~~~~~~~~~~^~~~~

trace-profile.c:1709:41: warning: ‘ts_max’ may be used uninitialized [-Wmaybe-uninitialized]
 1709 |                         chain[x].ts_max = ts_max;
      |                         ~~~~~~~~~~~~~~~~^~~~~~~~

trace-profile.c:1707:41: warning: ‘ts_min’ may be used uninitialized [-Wmaybe-uninitialized]
 1707 |                         chain[x].ts_min = ts_min;
      |                         ~~~~~~~~~~~~~~~~^~~~~~~~

trace-dump.c:68:25: warning: ‘trace_id’ may be used uninitialized [-Wmaybe-uninitialized]
   68 |                         tracecmd_plog(fmt, ##__VA_ARGS__);      \
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-dump.c:68:25: warning: ‘flags’ may be used uninitialized [-Wmaybe-uninitialized]
   68 |                         tracecmd_plog(fmt, ##__VA_ARGS__);      \
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-dump.c:68:25: warning: ‘cpus’ may be used uninitialized [-Wmaybe-uninitialized]
   68 |                         tracecmd_plog(fmt, ##__VA_ARGS__);      \
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-dump.c:1083:25: warning: ‘rsize’ may be used uninitialized [-Wmaybe-uninitialized]
 1083 |                         read_metadata_strings(fd, rsize);
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-vm.c:364:9: warning: ignoring return value of ‘asprintf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  364 |         asprintf(&cmd, "%s %s", VM_CID_CMD, name);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-vm.c:487:36: warning: ‘guest’ may be used uninitialized [-Wmaybe-uninitialized]
  487 |                         pid = guest->cpu_pid[i];
      |                               ~~~~~^~~~~~~~~

trace-setup-guest.c:108:9: warning: ignoring return value of ‘fscanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  108 |         fscanf(f, "%d", &nr_cpus);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~

trace-setup-guest.c:135:17: warning: ignoring return value of ‘pwrite’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  135 |                 pwrite(fd, xml, strlen(xml), 0);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trace-sqlhist.c:37:12: warning: ‘name’ may be used uninitialized [-Wmaybe-uninitialized]
   37 |         if (!name)
      |            ^

trace-sqlhist.c:34:32: warning: ‘var’ may be used uninitialized [-Wmaybe-uninitialized]
   34 |         if ((action & ACTIONS) && !var)
      |             ~~~~~~~~~~~~~~~~~~~^~~~~~~

../lib/trace-cmd/trace-output.c:2073:15: warning: argument 1 value ‘18446744073709551615’ exceeds maximum object size 9223372036854775807 [-Walloc-size-larger-than=]
 2073 |         buf = malloc(offset);
      |               ^