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-rw-r--r--include/trace/events/bcache.h12
-rw-r--r--include/trace/events/block.h31
-rw-r--r--include/trace/events/f2fs.h12
-rw-r--r--include/trace/events/wbt.h153
4 files changed, 173 insertions, 35 deletions
diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h
index d336b890e31f..df3e9ae5ad8d 100644
--- a/include/trace/events/bcache.h
+++ b/include/trace/events/bcache.h
@@ -27,8 +27,7 @@ DECLARE_EVENT_CLASS(bcache_request,
__entry->sector = bio->bi_iter.bi_sector;
__entry->orig_sector = bio->bi_iter.bi_sector - 16;
__entry->nr_sector = bio->bi_iter.bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)",
@@ -102,8 +101,7 @@ DECLARE_EVENT_CLASS(bcache_bio,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio->bi_iter.bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u",
@@ -138,8 +136,7 @@ TRACE_EVENT(bcache_read,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio->bi_iter.bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
__entry->cache_hit = hit;
__entry->bypass = bypass;
),
@@ -170,8 +167,7 @@ TRACE_EVENT(bcache_write,
__entry->inode = inode;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio->bi_iter.bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
__entry->writeback = writeback;
__entry->bypass = bypass;
),
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 8f3a163b8166..3e02e3a25413 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -84,8 +84,7 @@ DECLARE_EVENT_CLASS(block_rq_with_error,
0 : blk_rq_sectors(rq);
__entry->errors = rq->errors;
- blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags,
- blk_rq_bytes(rq));
+ blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
blk_dump_cmd(__get_str(cmd), rq);
),
@@ -163,7 +162,7 @@ TRACE_EVENT(block_rq_complete,
__entry->nr_sector = nr_bytes >> 9;
__entry->errors = rq->errors;
- blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags, nr_bytes);
+ blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes);
blk_dump_cmd(__get_str(cmd), rq);
),
@@ -199,8 +198,7 @@ DECLARE_EVENT_CLASS(block_rq,
__entry->bytes = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
blk_rq_bytes(rq) : 0;
- blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags,
- blk_rq_bytes(rq));
+ blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
blk_dump_cmd(__get_str(cmd), rq);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -274,8 +272,7 @@ TRACE_EVENT(block_bio_bounce,
bio->bi_bdev->bd_dev : 0;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -313,8 +310,7 @@ TRACE_EVENT(block_bio_complete,
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
__entry->error = error;
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u [%d]",
@@ -341,8 +337,7 @@ DECLARE_EVENT_CLASS(block_bio_merge,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -409,8 +404,7 @@ TRACE_EVENT(block_bio_queue,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -438,7 +432,7 @@ DECLARE_EVENT_CLASS(block_get_rq,
__entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
__entry->sector = bio ? bio->bi_iter.bi_sector : 0;
__entry->nr_sector = bio ? bio_sectors(bio) : 0;
- blk_fill_rwbs(__entry->rwbs, bio ? bio_op(bio) : 0,
+ blk_fill_rwbs(__entry->rwbs,
bio ? bio->bi_opf : 0, __entry->nr_sector);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -573,8 +567,7 @@ TRACE_EVENT(block_split,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->new_sector = new_sector;
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -617,8 +610,7 @@ TRACE_EVENT(block_bio_remap,
__entry->nr_sector = bio_sectors(bio);
__entry->old_dev = dev;
__entry->old_sector = from;
- blk_fill_rwbs(__entry->rwbs, bio_op(bio), bio->bi_opf,
- bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
@@ -664,8 +656,7 @@ TRACE_EVENT(block_rq_remap,
__entry->old_dev = dev;
__entry->old_sector = from;
__entry->nr_bios = blk_rq_count_bios(rq);
- blk_fill_rwbs(__entry->rwbs, req_op(rq), rq->cmd_flags,
- blk_rq_bytes(rq));
+ blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
),
TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u",
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 903a09165bb1..5da2c829a718 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -32,7 +32,7 @@ TRACE_DEFINE_ENUM(LFS);
TRACE_DEFINE_ENUM(SSR);
TRACE_DEFINE_ENUM(__REQ_RAHEAD);
TRACE_DEFINE_ENUM(__REQ_SYNC);
-TRACE_DEFINE_ENUM(__REQ_NOIDLE);
+TRACE_DEFINE_ENUM(__REQ_IDLE);
TRACE_DEFINE_ENUM(__REQ_PREFLUSH);
TRACE_DEFINE_ENUM(__REQ_FUA);
TRACE_DEFINE_ENUM(__REQ_PRIO);
@@ -55,7 +55,7 @@ TRACE_DEFINE_ENUM(CP_DISCARD);
{ IPU, "IN-PLACE" }, \
{ OPU, "OUT-OF-PLACE" })
-#define F2FS_BIO_FLAG_MASK(t) (t & (REQ_RAHEAD | WRITE_FLUSH_FUA))
+#define F2FS_BIO_FLAG_MASK(t) (t & (REQ_RAHEAD | REQ_PREFLUSH | REQ_FUA))
#define F2FS_BIO_EXTRA_MASK(t) (t & (REQ_META | REQ_PRIO))
#define show_bio_type(op_flags) show_bio_op_flags(op_flags), \
@@ -65,11 +65,9 @@ TRACE_DEFINE_ENUM(CP_DISCARD);
__print_symbolic(F2FS_BIO_FLAG_MASK(flags), \
{ 0, "WRITE" }, \
{ REQ_RAHEAD, "READAHEAD" }, \
- { READ_SYNC, "READ_SYNC" }, \
- { WRITE_SYNC, "WRITE_SYNC" }, \
- { WRITE_FLUSH, "WRITE_FLUSH" }, \
- { WRITE_FUA, "WRITE_FUA" }, \
- { WRITE_FLUSH_FUA, "WRITE_FLUSH_FUA" })
+ { REQ_SYNC, "REQ_SYNC" }, \
+ { REQ_PREFLUSH, "REQ_PREFLUSH" }, \
+ { REQ_FUA, "REQ_FUA" })
#define show_bio_extra(type) \
__print_symbolic(F2FS_BIO_EXTRA_MASK(type), \
diff --git a/include/trace/events/wbt.h b/include/trace/events/wbt.h
new file mode 100644
index 000000000000..3c518e455680
--- /dev/null
+++ b/include/trace/events/wbt.h
@@ -0,0 +1,153 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM wbt
+
+#if !defined(_TRACE_WBT_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_WBT_H
+
+#include <linux/tracepoint.h>
+#include "../../../block/blk-wbt.h"
+
+/**
+ * wbt_stat - trace stats for blk_wb
+ * @stat: array of read/write stats
+ */
+TRACE_EVENT(wbt_stat,
+
+ TP_PROTO(struct backing_dev_info *bdi, struct blk_rq_stat *stat),
+
+ TP_ARGS(bdi, stat),
+
+ TP_STRUCT__entry(
+ __array(char, name, 32)
+ __field(s64, rmean)
+ __field(u64, rmin)
+ __field(u64, rmax)
+ __field(s64, rnr_samples)
+ __field(s64, rtime)
+ __field(s64, wmean)
+ __field(u64, wmin)
+ __field(u64, wmax)
+ __field(s64, wnr_samples)
+ __field(s64, wtime)
+ ),
+
+ TP_fast_assign(
+ strncpy(__entry->name, dev_name(bdi->dev), 32);
+ __entry->rmean = stat[0].mean;
+ __entry->rmin = stat[0].min;
+ __entry->rmax = stat[0].max;
+ __entry->rnr_samples = stat[0].nr_samples;
+ __entry->wmean = stat[1].mean;
+ __entry->wmin = stat[1].min;
+ __entry->wmax = stat[1].max;
+ __entry->wnr_samples = stat[1].nr_samples;
+ ),
+
+ TP_printk("%s: rmean=%llu, rmin=%llu, rmax=%llu, rsamples=%llu, "
+ "wmean=%llu, wmin=%llu, wmax=%llu, wsamples=%llu\n",
+ __entry->name, __entry->rmean, __entry->rmin, __entry->rmax,
+ __entry->rnr_samples, __entry->wmean, __entry->wmin,
+ __entry->wmax, __entry->wnr_samples)
+);
+
+/**
+ * wbt_lat - trace latency event
+ * @lat: latency trigger
+ */
+TRACE_EVENT(wbt_lat,
+
+ TP_PROTO(struct backing_dev_info *bdi, unsigned long lat),
+
+ TP_ARGS(bdi, lat),
+
+ TP_STRUCT__entry(
+ __array(char, name, 32)
+ __field(unsigned long, lat)
+ ),
+
+ TP_fast_assign(
+ strncpy(__entry->name, dev_name(bdi->dev), 32);
+ __entry->lat = div_u64(lat, 1000);
+ ),
+
+ TP_printk("%s: latency %lluus\n", __entry->name,
+ (unsigned long long) __entry->lat)
+);
+
+/**
+ * wbt_step - trace wb event step
+ * @msg: context message
+ * @step: the current scale step count
+ * @window: the current monitoring window
+ * @bg: the current background queue limit
+ * @normal: the current normal writeback limit
+ * @max: the current max throughput writeback limit
+ */
+TRACE_EVENT(wbt_step,
+
+ TP_PROTO(struct backing_dev_info *bdi, const char *msg,
+ int step, unsigned long window, unsigned int bg,
+ unsigned int normal, unsigned int max),
+
+ TP_ARGS(bdi, msg, step, window, bg, normal, max),
+
+ TP_STRUCT__entry(
+ __array(char, name, 32)
+ __field(const char *, msg)
+ __field(int, step)
+ __field(unsigned long, window)
+ __field(unsigned int, bg)
+ __field(unsigned int, normal)
+ __field(unsigned int, max)
+ ),
+
+ TP_fast_assign(
+ strncpy(__entry->name, dev_name(bdi->dev), 32);
+ __entry->msg = msg;
+ __entry->step = step;
+ __entry->window = div_u64(window, 1000);
+ __entry->bg = bg;
+ __entry->normal = normal;
+ __entry->max = max;
+ ),
+
+ TP_printk("%s: %s: step=%d, window=%luus, background=%u, normal=%u, max=%u\n",
+ __entry->name, __entry->msg, __entry->step, __entry->window,
+ __entry->bg, __entry->normal, __entry->max)
+);
+
+/**
+ * wbt_timer - trace wb timer event
+ * @status: timer state status
+ * @step: the current scale step count
+ * @inflight: tracked writes inflight
+ */
+TRACE_EVENT(wbt_timer,
+
+ TP_PROTO(struct backing_dev_info *bdi, unsigned int status,
+ int step, unsigned int inflight),
+
+ TP_ARGS(bdi, status, step, inflight),
+
+ TP_STRUCT__entry(
+ __array(char, name, 32)
+ __field(unsigned int, status)
+ __field(int, step)
+ __field(unsigned int, inflight)
+ ),
+
+ TP_fast_assign(
+ strncpy(__entry->name, dev_name(bdi->dev), 32);
+ __entry->status = status;
+ __entry->step = step;
+ __entry->inflight = inflight;
+ ),
+
+ TP_printk("%s: status=%u, step=%d, inflight=%u\n", __entry->name,
+ __entry->status, __entry->step, __entry->inflight)
+);
+
+#endif /* _TRACE_WBT_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
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