diff options
Diffstat (limited to 'meta/recipes-kernel/lttng/lttng-modules/Update-compaction-instrumentation-to-3.16-kernel.patch')
| -rw-r--r-- | meta/recipes-kernel/lttng/lttng-modules/Update-compaction-instrumentation-to-3.16-kernel.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/meta/recipes-kernel/lttng/lttng-modules/Update-compaction-instrumentation-to-3.16-kernel.patch b/meta/recipes-kernel/lttng/lttng-modules/Update-compaction-instrumentation-to-3.16-kernel.patch new file mode 100644 index 0000000..0a056a9 --- /dev/null +++ b/meta/recipes-kernel/lttng/lttng-modules/Update-compaction-instrumentation-to-3.16-kernel.patch @@ -0,0 +1,83 @@ +From 0007344741ef65259bc52dea72259173dfbf96c0 Mon Sep 17 00:00:00 2001 +From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +Date: Sun, 13 Jul 2014 13:33:21 -0400 +Subject: [PATCH 2/2] Update compaction instrumentation to 3.16 kernel + +Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +--- + instrumentation/events/lttng-module/compaction.h | 45 +++++++++++++++++++++++- + 1 file changed, 44 insertions(+), 1 deletion(-) + +diff --git a/instrumentation/events/lttng-module/compaction.h b/instrumentation/events/lttng-module/compaction.h +index 1b237fa45ab0..22024e9ee582 100644 +--- a/instrumentation/events/lttng-module/compaction.h ++++ b/instrumentation/events/lttng-module/compaction.h +@@ -6,6 +6,7 @@ + + #include <linux/types.h> + #include <linux/tracepoint.h> ++#include <linux/version.h> + #include <trace/events/gfpflags.h> + + DECLARE_EVENT_CLASS(mm_compaction_isolate_template, +@@ -45,6 +46,48 @@ DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages, + TP_ARGS(nr_scanned, nr_taken) + ) + ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) ++TRACE_EVENT(mm_compaction_migratepages, ++ ++ TP_PROTO(unsigned long nr_all, ++ int migrate_rc, ++ struct list_head *migratepages), ++ ++ TP_ARGS(nr_all, migrate_rc, migratepages), ++ ++ TP_STRUCT__entry( ++ __field(unsigned long, nr_migrated) ++ __field(unsigned long, nr_failed) ++ ), ++ ++ TP_fast_assign( ++ tp_assign(nr_migrated, ++ nr_all - ++ (migrate_rc >= 0 ? migrate_rc : ++ ({ ++ unsigned long nr_failed = 0; ++ struct list_head *page_lru; ++ ++ list_for_each(page_lru, migratepages) ++ nr_failed++; ++ nr_failed; ++ }))) ++ tp_assign(nr_failed, ++ ({ ++ unsigned long nr_failed = 0; ++ struct list_head *page_lru; ++ ++ list_for_each(page_lru, migratepages) ++ nr_failed++; ++ nr_failed; ++ })) ++ ), ++ ++ TP_printk("nr_migrated=%lu nr_failed=%lu", ++ __entry->nr_migrated, ++ __entry->nr_failed) ++) ++#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */ + TRACE_EVENT(mm_compaction_migratepages, + + TP_PROTO(unsigned long nr_migrated, +@@ -66,7 +109,7 @@ TRACE_EVENT(mm_compaction_migratepages, + __entry->nr_migrated, + __entry->nr_failed) + ) +- ++#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */ + + #endif /* _TRACE_COMPACTION_H */ + +-- +1.8.1.2 + |
