Hi Deepa, [auto build test WARNING on tip/perf/core] [also build test WARNING on v4.11-rc4 next-20170327] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Deepa-Dinamani/trace-Make-trace_hwlat-timestamp-y2038-safe/20170327-150010 config: x86_64-randconfig-s2-03271627 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): kernel/trace/trace_output.c: In function 'trace_hwlat_print': >> kernel/trace/trace_output.c:1168: warning: format '%lld' expects type 'long >> long int', but argument 6 has type '__kernel_time_t' kernel/trace/trace_output.c: In function 'trace_hwlat_raw': kernel/trace/trace_output.c:1202: warning: format '%lld' expects type 'long long int', but argument 5 has type '__kernel_time_t' vim +1168 kernel/trace/trace_output.c e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1152) /* TRACE_HWLAT */ e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1153) static enum print_line_t e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1154) trace_hwlat_print(struct trace_iterator *iter, int flags, e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1155) struct trace_event *event) e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1156) { e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1157) struct trace_entry *entry = iter->ent; e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1158) struct trace_seq *s = &iter->seq; e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1159) struct hwlat_entry *field; e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1160) e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1161) trace_assign_type(field, entry); e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1162) df001907 Deepa Dinamani 2017-03-26 1163 trace_seq_printf(s, "#%-5u inner/outer(us): %4llu/%-5llu ts:%lld.%09ld", e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1164) field->seqnum, e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1165) field->duration, e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1166) field->outer_duration, e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1167) field->timestamp.tv_sec, e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 @1168) field->timestamp.tv_nsec); e7c15cd8 Steven Rostedt (Red Hat 2016-06-23 1169) 7b2c8625 Steven Rostedt (Red Hat 2016-08-04 1170) if (field->nmi_count) { 7b2c8625 Steven Rostedt (Red Hat 2016-08-04 1171) /* 7b2c8625 Steven Rostedt (Red Hat 2016-08-04 1172) * The generic sched_clock() is not NMI safe, thus 7b2c8625 Steven Rostedt (Red Hat 2016-08-04 1173) * we only record the count and not the time. 7b2c8625 Steven Rostedt (Red Hat 2016-08-04 1174) */ 7b2c8625 Steven Rostedt (Red Hat 2016-08-04 1175) if (!IS_ENABLED(CONFIG_GENERIC_SCHED_CLOCK)) 7b2c8625 Steven Rostedt (Red Hat 2016-08-04 1176) trace_seq_printf(s, " nmi-total:%llu", :::::: The code at line 1168 was first introduced by commit :::::: e7c15cd8a113335cf7154f027c9c8da1a92238ee tracing: Added hardware latency tracer :::::: TO: Steven Rostedt (Red Hat) <[email protected]> :::::: CC: Steven Rostedt <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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