diff options
| author | Peter Xu <peterx@redhat.com> | 2021-08-16 21:37:06 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-30 15:30:24 +0200 |
| commit | fcb3ab341accb8ed897f148238cae0324ed89d2c (patch) | |
| tree | ebe4e256168bf72f272e4d502fe649383be5bef9 | |
| parent | 142518bda515c132a46ce5826e73fbd2a5b154d9 (diff) | |
memory: Add tracepoint for dirty sync
Trace at memory_region_sync_dirty_bitmap() for log_sync() or global_log_sync()
on memory regions. One trace line should suffice when it finishes, so as to
estimate the time used for each log sync process.
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20210817013706.30986-1-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | softmmu/memory.c | 2 | ||||
| -rw-r--r-- | softmmu/trace-events | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/softmmu/memory.c b/softmmu/memory.c index 54cd0e9824..db182e5d3d 100644 --- a/softmmu/memory.c +++ b/softmmu/memory.c @@ -2154,6 +2154,7 @@ static void memory_region_sync_dirty_bitmap(MemoryRegion *mr) } } flatview_unref(view); + trace_memory_region_sync_dirty(mr ? mr->name : "(all)", listener->name, 0); } else if (listener->log_sync_global) { /* * No matter whether MR is specified, what we can do here @@ -2161,6 +2162,7 @@ static void memory_region_sync_dirty_bitmap(MemoryRegion *mr) * sync in a finer granularity. */ listener->log_sync_global(listener); + trace_memory_region_sync_dirty(mr ? mr->name : "(all)", listener->name, 1); } } } diff --git a/softmmu/trace-events b/softmmu/trace-events index 7b278590a0..bf1469990e 100644 --- a/softmmu/trace-events +++ b/softmmu/trace-events @@ -15,6 +15,7 @@ memory_region_subpage_read(int cpu_index, void *mr, uint64_t offset, uint64_t va memory_region_subpage_write(int cpu_index, void *mr, uint64_t offset, uint64_t value, unsigned size) "cpu %d mr %p offset 0x%"PRIx64" value 0x%"PRIx64" size %u" memory_region_ram_device_read(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u" memory_region_ram_device_write(int cpu_index, void *mr, uint64_t addr, uint64_t value, unsigned size) "cpu %d mr %p addr 0x%"PRIx64" value 0x%"PRIx64" size %u" +memory_region_sync_dirty(const char *mr, const char *listener, int global) "mr '%s' listener '%s' synced (global=%d)" flatview_new(void *view, void *root) "%p (root %p)" flatview_destroy(void *view, void *root) "%p (root %p)" flatview_destroy_rcu(void *view, void *root) "%p (root %p)" |