/* SPDX-License-Identifier: GPL-2.0 */ #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( strlcpy(__entry->name, dev_name(bdi->dev), ARRAY_SIZE(__entry->name)); __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( strlcpy(__entry->name, dev_name(bdi->dev), ARRAY_SIZE(__entry->name)); __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( strlcpy(__entry->name, dev_name(bdi->dev), ARRAY_SIZE(__entry->name)); __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( strlcpy(__entry->name, dev_name(bdi->dev), ARRAY_SIZE(__entry->name)); __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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afs.h | File | 13.13 KB | 0644 |
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alarmtimer.h | File | 2.04 KB | 0644 |
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asoc.h | File | 5.17 KB | 0644 |
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bcache.h | File | 10.9 KB | 0644 |
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block.h | File | 17.18 KB | 0644 |
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bpf.h | File | 8.23 KB | 0644 |
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bridge.h | File | 3.45 KB | 0644 |
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btrfs.h | File | 46.21 KB | 0644 |
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cgroup.h | File | 3.21 KB | 0644 |
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clk.h | File | 3.69 KB | 0644 |
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cma.h | File | 1.31 KB | 0644 |
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compaction.h | File | 7.76 KB | 0644 |
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context_tracking.h | File | 1.15 KB | 0644 |
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cpuhp.h | File | 1.83 KB | 0644 |
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devlink.h | File | 1.76 KB | 0644 |
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dma_fence.h | File | 1.66 KB | 0644 |
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ext4.h | File | 64.44 KB | 0644 |
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f2fs.h | File | 36.38 KB | 0644 |
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fib.h | File | 2.45 KB | 0644 |
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fib6.h | File | 1.82 KB | 0644 |
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filelock.h | File | 6.27 KB | 0644 |
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filemap.h | File | 2.74 KB | 0644 |
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fs.h | File | 946 B | 0644 |
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fs_dax.h | File | 8.26 KB | 0644 |
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fsi.h | File | 2.81 KB | 0644 |
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fsi_master_gpio.h | File | 1.54 KB | 0644 |
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gpio.h | File | 1.13 KB | 0644 |
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host1x.h | File | 5.77 KB | 0644 |
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hswadsp.h | File | 8.37 KB | 0644 |
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huge_memory.h | File | 4.33 KB | 0644 |
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i2c.h | File | 4.15 KB | 0644 |
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intel-sst.h | File | 2.51 KB | 0644 |
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intel_ish.h | File | 556 B | 0644 |
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iommu.h | File | 3.03 KB | 0644 |
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ipi.h | File | 1.88 KB | 0644 |
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irq.h | File | 3.8 KB | 0644 |
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irq_matrix.h | File | 4.94 KB | 0644 |
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jbd2.h | File | 9.79 KB | 0644 |
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kmem.h | File | 7.39 KB | 0644 |
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kvm.h | File | 9.03 KB | 0644 |
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libata.h | File | 11.57 KB | 0644 |
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lock.h | File | 1.7 KB | 0644 |
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mce.h | File | 1.85 KB | 0644 |
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mdio.h | File | 1.02 KB | 0644 |
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migrate.h | File | 2.42 KB | 0644 |
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mmc.h | File | 7.24 KB | 0644 |
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mmflags.h | File | 8.29 KB | 0644 |
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module.h | File | 2.78 KB | 0644 |
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napi.h | File | 1013 B | 0644 |
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net.h | File | 6.56 KB | 0644 |
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nilfs2.h | File | 5.2 KB | 0644 |
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nmi.h | File | 780 B | 0644 |
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oom.h | File | 3.88 KB | 0644 |
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page_isolation.h | File | 943 B | 0644 |
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page_ref.h | File | 2.99 KB | 0644 |
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pagemap.h | File | 2.14 KB | 0644 |
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percpu.h | File | 2.61 KB | 0644 |
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power.h | File | 11.35 KB | 0644 |
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power_cpu_migrate.h | File | 1.59 KB | 0644 |
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preemptirq.h | File | 1.95 KB | 0644 |
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printk.h | File | 786 B | 0644 |
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qdisc.h | File | 1.37 KB | 0644 |
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rcu.h | File | 24.64 KB | 0644 |
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regulator.h | File | 2.4 KB | 0644 |
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rpm.h | File | 2.34 KB | 0644 |
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rxrpc.h | File | 33.79 KB | 0644 |
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sched.h | File | 14.12 KB | 0644 |
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scsi.h | File | 12.32 KB | 0644 |
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signal.h | File | 3.43 KB | 0644 |
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skb.h | File | 1.38 KB | 0644 |
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smbus.h | File | 7.51 KB | 0644 |
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sock.h | File | 1.72 KB | 0644 |
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spi.h | File | 3.31 KB | 0644 |
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spmi.h | File | 3.24 KB | 0644 |
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sunrpc.h | File | 18.31 KB | 0644 |
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sunvnet.h | File | 3.06 KB | 0644 |
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swiotlb.h | File | 1.22 KB | 0644 |
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syscalls.h | File | 1.48 KB | 0644 |
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target.h | File | 7.52 KB | 0644 |
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task.h | File | 1.49 KB | 0644 |
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tcp.h | File | 6.57 KB | 0644 |
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thermal.h | File | 5.58 KB | 0644 |
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thermal_power_allocator.h | File | 3.22 KB | 0644 |
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thp.h | File | 2.09 KB | 0644 |
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timer.h | File | 9.58 KB | 0644 |
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tlb.h | File | 1.41 KB | 0644 |
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udp.h | File | 632 B | 0644 |
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ufs.h | File | 6.85 KB | 0644 |
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v4l2.h | File | 8.81 KB | 0644 |
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vb2.h | File | 1.73 KB | 0644 |
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vmscan.h | File | 12.47 KB | 0644 |
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vsock_virtio_transport_common.h | File | 3.49 KB | 0644 |
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wbt.h | File | 3.83 KB | 0644 |
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workqueue.h | File | 2.7 KB | 0644 |
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writeback.h | File | 19.81 KB | 0644 |
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xdp.h | File | 5.76 KB | 0644 |
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xen.h | File | 14.66 KB | 0644 |
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