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-n0-03271517 (attached as .config) compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4 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:1168:5: warning: format '%lld' expects argument >> of type 'long long int', but argument 6 has type '__kernel_time_t' >> [-Wformat=] field->timestamp.tv_nsec); ^ kernel/trace/trace_output.c: In function 'trace_hwlat_raw': kernel/trace/trace_output.c:1202:5: warning: format '%lld' expects argument of type 'long long int', but argument 5 has type '__kernel_time_t' [-Wformat=] field->seqnum); ^ Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:__ffs Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD Cyclomatic Complexity 2 include/linux/list.h:__list_add Cyclomatic Complexity 1 include/linux/list.h:list_add_tail Cyclomatic Complexity 1 include/linux/list.h:__list_del Cyclomatic Complexity 2 include/linux/list.h:__list_del_entry Cyclomatic Complexity 1 include/linux/list.h:list_del Cyclomatic Complexity 1 include/linux/list.h:list_empty Cyclomatic Complexity 2 include/linux/list.h:__hlist_del Cyclomatic Complexity 1 include/linux/list.h:hlist_del Cyclomatic Complexity 2 include/linux/list.h:hlist_add_head Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_lock_acquire Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_lock_release Cyclomatic Complexity 4 include/linux/rcupdate.h:rcu_read_lock Cyclomatic Complexity 4 include/linux/rcupdate.h:rcu_read_unlock Cyclomatic Complexity 1 include/linux/seq_buf.h:seq_buf_clear Cyclomatic Complexity 1 include/linux/seq_buf.h:seq_buf_init Cyclomatic Complexity 1 include/linux/seq_buf.h:seq_buf_has_overflowed Cyclomatic Complexity 1 include/linux/seq_buf.h:seq_buf_used Cyclomatic Complexity 1 include/linux/trace_seq.h:trace_seq_init Cyclomatic Complexity 1 include/linux/trace_seq.h:trace_seq_buffer_ptr Cyclomatic Complexity 3 include/linux/trace_seq.h:trace_seq_has_overflowed Cyclomatic Complexity 2 include/linux/trace_events.h:trace_handle_return Cyclomatic Complexity 3 include/linux/trace_events.h:trace_event_name Cyclomatic Complexity 1 kernel/trace/trace_output.c:kretprobed Cyclomatic Complexity 3 kernel/trace/trace_output.c:task_state_char Cyclomatic Complexity 5 kernel/trace/trace_output.c:trace_search_list Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_nop_print Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_hwlat_raw Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_print_raw Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_bprint_raw Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_bputs_raw Cyclomatic Complexity 3 kernel/trace/trace_output.c:trace_ctxwake_raw Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_wake_raw Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_ctx_raw Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_fn_raw Cyclomatic Complexity 3 kernel/trace/trace_output.c:trace_raw_data Cyclomatic Complexity 3 kernel/trace/trace_output.c:trace_hwlat_print Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_output_raw Cyclomatic Complexity 1 kernel/trace/trace_output.c:seq_print_sym_offset Cyclomatic Complexity 1 kernel/trace/trace_output.c:seq_print_sym_short Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_ctxwake_print Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_wake_print Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_ctx_print Cyclomatic Complexity 9 kernel/trace/trace_output.c:seq_print_user_ip Cyclomatic Complexity 9 kernel/trace/trace_output.c:trace_user_stack_print Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_ctxwake_bin Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_fn_bin Cyclomatic Complexity 3 kernel/trace/trace_output.c:trace_ctxwake_hex Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_wake_hex Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_ctx_hex Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_fn_hex Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_print_bputs_msg_only Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_print_bprintk_msg_only Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_print_printk_msg_only Cyclomatic Complexity 7 kernel/trace/trace_output.c:trace_print_flags_seq Cyclomatic Complexity 4 kernel/trace/trace_output.c:trace_print_symbols_seq Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_print_bitmask_seq Cyclomatic Complexity 3 kernel/trace/trace_output.c:trace_print_hex_seq Cyclomatic Complexity 6 kernel/trace/trace_output.c:trace_print_array_seq Cyclomatic Complexity 5 kernel/trace/trace_output.c:trace_raw_output_prep Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_output_call Cyclomatic Complexity 4 kernel/trace/trace_output.c:seq_print_ip_sym Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_print_print Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_bprint_print Cyclomatic Complexity 2 kernel/trace/trace_output.c:trace_bputs_print Cyclomatic Complexity 6 kernel/trace/trace_output.c:trace_stack_print Cyclomatic Complexity 4 kernel/trace/trace_output.c:trace_fn_trace Cyclomatic Complexity 12 kernel/trace/trace_output.c:trace_print_lat_fmt Cyclomatic Complexity 1 kernel/trace/trace_output.c:lat_print_generic Cyclomatic Complexity 4 kernel/trace/trace_output.c:trace_find_mark Cyclomatic Complexity 5 kernel/trace/trace_output.c:lat_print_timestamp Cyclomatic Complexity 3 kernel/trace/trace_output.c:trace_print_context Cyclomatic Complexity 3 kernel/trace/trace_output.c:trace_print_lat_context Cyclomatic Complexity 5 kernel/trace/trace_output.c:ftrace_find_event Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_event_read_lock Cyclomatic Complexity 1 kernel/trace/trace_output.c:trace_event_read_unlock Cyclomatic Complexity 17 kernel/trace/trace_output.c:register_trace_event Cyclomatic Complexity 6 kernel/trace/trace_output.c:init_events Cyclomatic Complexity 1 kernel/trace/trace_output.c:__unregister_trace_event Cyclomatic Complexity 1 kernel/trace/trace_output.c:unregister_trace_event 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 _______________________________________________ Y2038 mailing list [email protected] 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