diff options
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/compaction.h | 74 | ||||
| -rw-r--r-- | include/trace/events/module.h | 10 | ||||
| -rw-r--r-- | include/trace/events/vmscan.h | 6 | ||||
| -rw-r--r-- | include/trace/events/writeback.h | 1 | ||||
| -rw-r--r-- | include/trace/ftrace.h | 24 |
5 files changed, 101 insertions, 14 deletions
diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h new file mode 100644 index 000000000000..388bcdd26d46 --- /dev/null +++ b/include/trace/events/compaction.h @@ -0,0 +1,74 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM compaction + +#if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_COMPACTION_H + +#include <linux/types.h> +#include <linux/tracepoint.h> +#include "gfpflags.h" + +DECLARE_EVENT_CLASS(mm_compaction_isolate_template, + + TP_PROTO(unsigned long nr_scanned, + unsigned long nr_taken), + + TP_ARGS(nr_scanned, nr_taken), + + TP_STRUCT__entry( + __field(unsigned long, nr_scanned) + __field(unsigned long, nr_taken) + ), + + TP_fast_assign( + __entry->nr_scanned = nr_scanned; + __entry->nr_taken = nr_taken; + ), + + TP_printk("nr_scanned=%lu nr_taken=%lu", + __entry->nr_scanned, + __entry->nr_taken) +); + +DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages, + + TP_PROTO(unsigned long nr_scanned, + unsigned long nr_taken), + + TP_ARGS(nr_scanned, nr_taken) +); + +DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages, + TP_PROTO(unsigned long nr_scanned, + unsigned long nr_taken), + + TP_ARGS(nr_scanned, nr_taken) +); + +TRACE_EVENT(mm_compaction_migratepages, + + TP_PROTO(unsigned long nr_migrated, + unsigned long nr_failed), + + TP_ARGS(nr_migrated, nr_failed), + + TP_STRUCT__entry( + __field(unsigned long, nr_migrated) + __field(unsigned long, nr_failed) + ), + + TP_fast_assign( + __entry->nr_migrated = nr_migrated; + __entry->nr_failed = nr_failed; + ), + + TP_printk("nr_migrated=%lu nr_failed=%lu", + __entry->nr_migrated, + __entry->nr_failed) +); + + +#endif /* _TRACE_COMPACTION_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> diff --git a/include/trace/events/module.h b/include/trace/events/module.h index c7bb2f0482fe..c6bae36547e5 100644 --- a/include/trace/events/module.h +++ b/include/trace/events/module.h @@ -1,5 +1,15 @@ +/* + * Because linux/module.h has tracepoints in the header, and ftrace.h + * eventually includes this file, define_trace.h includes linux/module.h + * But we do not want the module.h to override the TRACE_SYSTEM macro + * variable that define_trace.h is processing, so we only set it + * when module events are being processed, which would happen when + * CREATE_TRACE_POINTS is defined. + */ +#ifdef CREATE_TRACE_POINTS #undef TRACE_SYSTEM #define TRACE_SYSTEM module +#endif #if !defined(_TRACE_MODULE_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_MODULE_H diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h index c255fcc587bf..ea422aaa23e1 100644 --- a/include/trace/events/vmscan.h +++ b/include/trace/events/vmscan.h @@ -25,13 +25,13 @@ #define trace_reclaim_flags(page, sync) ( \ (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ - (sync == LUMPY_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \ + (sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \ ) #define trace_shrink_flags(file, sync) ( \ - (sync == LUMPY_MODE_SYNC ? RECLAIM_WB_MIXED : \ + (sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_MIXED : \ (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON)) | \ - (sync == LUMPY_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \ + (sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \ ) TRACE_EVENT(mm_vmscan_kswapd_sleep, diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index 89a2b2db4375..4e249b927eaa 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -81,6 +81,7 @@ DEFINE_EVENT(writeback_class, name, \ TP_ARGS(bdi)) DEFINE_WRITEBACK_EVENT(writeback_nowork); +DEFINE_WRITEBACK_EVENT(writeback_wake_background); DEFINE_WRITEBACK_EVENT(writeback_wake_thread); DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread); DEFINE_WRITEBACK_EVENT(writeback_bdi_register); diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index e16610c208c9..3e68366d485a 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -446,14 +446,16 @@ static inline notrace int ftrace_get_offsets_##call( \ * .reg = ftrace_event_reg, * }; * - * static struct ftrace_event_call __used - * __attribute__((__aligned__(4))) - * __attribute__((section("_ftrace_events"))) event_<call> = { + * static struct ftrace_event_call event_<call> = { * .name = "<call>", * .class = event_class_<template>, * .event = &ftrace_event_type_<call>, * .print_fmt = print_fmt_<call>, * }; + * // its only safe to use pointers when doing linker tricks to + * // create an array. + * static struct ftrace_event_call __used + * __attribute__((section("_ftrace_events"))) *__event_<call> = &event_<call>; * */ @@ -579,28 +581,28 @@ static struct ftrace_event_class __used event_class_##call = { \ #undef DEFINE_EVENT #define DEFINE_EVENT(template, call, proto, args) \ \ -static struct ftrace_event_call __used \ -__attribute__((__aligned__(4))) \ -__attribute__((section("_ftrace_events"))) event_##call = { \ +static struct ftrace_event_call __used event_##call = { \ .name = #call, \ .class = &event_class_##template, \ .event.funcs = &ftrace_event_type_funcs_##template, \ .print_fmt = print_fmt_##template, \ -}; +}; \ +static struct ftrace_event_call __used \ +__attribute__((section("_ftrace_events"))) *__event_##call = &event_##call #undef DEFINE_EVENT_PRINT #define DEFINE_EVENT_PRINT(template, call, proto, args, print) \ \ static const char print_fmt_##call[] = print; \ \ -static struct ftrace_event_call __used \ -__attribute__((__aligned__(4))) \ -__attribute__((section("_ftrace_events"))) event_##call = { \ +static struct ftrace_event_call __used event_##call = { \ .name = #call, \ .class = &event_class_##template, \ .event.funcs = &ftrace_event_type_funcs_##call, \ .print_fmt = print_fmt_##call, \ -} +}; \ +static struct ftrace_event_call __used \ +__attribute__((section("_ftrace_events"))) *__event_##call = &event_##call #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) |