AuxXxilium/linux_dsm_epyc7002
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1a0275239e
linux_dsm_epyc7002/include/trace/events
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Viacheslav Dubeyko 1a0275239e scsi: target: core: add task tag to trace events 
Trace events target_sequencer_start and target_cmd_complete
(include/trace/events/target.h) are ready to show NAA identifier, LUN ID,
and many other important command details in the system log:

TP_printk("%s -> LUN %03u %s data_length %6u  CDB %s  (TA:%s C:%02x)",

However, it's still hard to identify command on the initiator and command
on the target in the real life output of system log.  For that purpose SCSI
provides a command identifier or task tag (term used in previous
standards). This patch adds tag ID in the system log's output:

TP_printk("%s -> LUN %03u tag %#llx %s data_length %6u  CDB %s  (TA:%s C:%02x)",

kworker/1:1-35    [001] ....  1392.989452: target_sequencer_start:
naa.5001405ec1ba6364 -> LUN 001 tag 0x1
SERVICE_ACTION_IN_16 data_length     32
CDB 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00  (TA:SIMPLE C:00)

kworker/1:1-35    [001] ....  1392.989456: target_cmd_complete:
naa.5001405ec1ba6364 <- LUN 001 tag 0x1 status GOOD (sense len 0)
SERVICE_ACTION_IN_16 data_length     32
CDB 9e 10 00 00 00 00 00 00 00 00 00 00 00 20 00 00  (TA:SIMPLE C:00)

Link: https://lore.kernel.org/r/226e01deaa9baf46d6ff3b8698bc9fe881f7dfc1.camel@dubeyko.com
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Konstantin Shelekhin <k.shelekhin@yadro.com>
Reviewed-by: Bart van Assche <bvanassche@acm.org>
Signed-off-by: Viacheslav Dubeyko <v.dubeiko@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-26 21:56:04 -04:00
..
9p.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
afs.h afs: Fix use-after-loss-of-ref 2020-01-14 09:40:06 -08:00
alarmtimer.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
asoc.h ASoC: trace: remove snd_soc_codec 2018-04-16 11:53:35 +01:00
bcache.h bcache: print written and keys in trace_bcache_btree_write 2020-01-23 11:40:02 -07:00
block.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bpf_test_run.h selftests: bpf: test writable buffers in raw tps 2019-04-26 19:04:19 -07:00
bridge.h net: bridge: fdb: br_fdb_update can take flags directly 2019-11-01 10:32:43 -07:00
btrfs.h btrfs: make btrfs_ordered_extent naming consistent with btrfs_file_extent_item 2020-01-20 16:40:54 +01:00
cachefiles.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
cgroup.h cgroup: use cgrp->kn->id as the cgroup ID 2019-11-12 08:18:04 -08:00
clk.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
cma.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compaction.h mm, compaction: some tracepoints should be defined only when CONFIG_COMPACTION is set 2019-05-14 09:47:46 -07:00
context_tracking.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cpuhp.h treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively 2019-04-09 14:19:06 +02:00
devfreq.h trace: events: add devfreq trace event file 2019-04-16 09:29:18 +09:00
devlink.h devlink: Add support for direct reporter health state update 2019-03-04 11:00:43 -08:00
dma_fence.h tracing: Fix header include guards in trace event headers 2019-07-30 21:49:06 -04:00
erofs.h erofs: use erofs_inode naming 2019-09-05 20:10:07 +02:00
ext4.h ext4: fix extent_status trace points 2020-01-25 02:03:03 -05:00
f2fs.h f2fs: show the CP_PAUSE reason in checkpoint traces 2020-01-17 16:48:43 -08:00
fib6.h ipv6: Add fib6_type and fib6_flags to fib6_result 2019-04-17 23:11:30 -07:00
fib.h net: Replace nhc_has_gw with nhc_gw_family 2019-04-08 15:22:40 -07:00
filelock.h locks: revise generic_add_lease tracepoint 2019-07-22 06:54:41 -04:00
filemap.h ftrace: Rework event_create_dir() 2019-11-27 07:44:25 +01:00
fs_dax.h libnvdimm for 4.15 2017-11-17 09:51:57 -08:00
fscache.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
fsi_master_aspeed.h fsi: aspeed: Add trace points 2019-11-08 11:28:20 +01:00
fsi_master_ast_cf.h fsi: master-ast-cf: Add new FSI master using Aspeed ColdFire 2018-07-23 15:22:52 +10:00
fsi_master_gpio.h fsi: master-gpio: Add more tracepoints 2018-07-12 12:02:31 +10:00
fsi.h trace: fsi: Print transfer size unsigned 2019-11-08 11:23:37 +01:00
gpio.h tracing: stop making gpio tracing configurable 2019-04-08 15:11:48 +02:00
host1x.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
hswadsp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
huge_memory.h mm: khugepaged: add trace status description for SCAN_PAGE_HAS_PRIVATE 2020-01-13 18:19:02 -08:00
hwmon.h hwmon: (core) Add trace events to _attr_show/store functions 2018-10-11 20:07:35 -07:00
i2c.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
ib_mad.h IB/MAD: Add SMP details to MAD tracing 2019-03-27 15:52:01 -03:00
ib_umad.h IB/UMAD: Add umad trace points 2019-03-27 15:52:01 -03:00
initcall.h tracing: initcall: Ordered comparison of function pointers 2018-04-26 15:02:46 -04:00
intel_iommu.h iommu/vt-d: trace: Extend map_sg trace event 2020-01-07 14:05:57 +01:00
intel_ish.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
intel-sst.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
io_uring.h io_uring: add opcode to issue trace event 2020-01-20 17:04:06 -07:00
iocost.h blkcg: blk-iocost: predeclare used structs 2019-08-29 09:43:34 -06:00
iommu.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ipi.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq_matrix.h genirq/matrix: Add tracepoints 2017-09-25 20:38:26 +02:00
irq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iscsi.h scsi: iscsi: Capture iscsi debug messages using tracepoints 2018-12-20 20:03:55 -05:00
jbd2.h jbd2: Provide trace event for handle restarts 2019-11-05 16:00:49 -05:00
kmem.h mm, tracing: print symbol name for kmem_alloc_node call_site events 2020-01-31 10:30:38 -08:00
kvm.h KVM: Fix stack-out-of-bounds read in write_mmio 2017-12-18 12:57:01 +01:00
kyber.h kyber: fix wrong strlcpy() size in trace_kyber_latency() 2018-11-12 08:28:37 -07:00
libata.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lock.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mce.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mdio.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
migrate.h mm, sched/numa: Remove rate-limiting of automatic NUMA balancing migration 2018-10-02 11:31:14 +02:00
mlxsw.h mlxsw: spectrum_acl: Rename rehash_dis trace 2019-03-31 11:01:23 -07:00
mmc.h mmc: core: Fix tracepoint print of blk_addr and blksz 2018-03-15 11:15:22 +01:00
mmflags.h mm: workingset: tell cache transitions from workingset thrashing 2018-10-26 16:26:32 -07:00
module.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
napi.h tracing: Fix header include guards in trace event headers 2019-07-30 21:49:06 -04:00
nbd.h nbd: add tracepoints for send/receive timing 2019-04-26 19:04:19 -07:00
neigh.h neighbor: Add tracepoint to __neigh_create 2019-05-22 17:50:24 -07:00
net_probe_common.h net: dccp: Add DCCP sendmsg trace event 2018-01-02 14:27:30 -05:00
net.h net: add a generic tracepoint for TX queue timeout 2019-05-04 00:41:41 -04:00
nilfs2.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nmi.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
objagg.h lib: introduce initial implementation of object aggregation manager 2018-11-15 14:43:43 -08:00
oom.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
page_isolation.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
page_pool.h page_pool: Add API to update numa node 2019-11-20 11:47:36 -08:00
page_ref.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pagemap.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
percpu.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
power_cpu_migrate.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
power.h PM: QoS: Get rid of unused flags 2019-08-21 00:38:54 +02:00
preemptirq.h tracing: Change offset type to s32 in preempt/irq tracepoints 2020-01-03 11:34:37 -05:00
printk.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pwc.h media: usb: pwc: Introduce TRACE_EVENTs for pwc_isoc_handler() 2019-01-16 11:15:11 -05:00
pwm.h pwm: Implement tracing for .get_state() and .apply_state() 2020-01-20 12:28:37 +01:00
qdisc.h tracing: Fix header include guards in trace event headers 2019-07-30 21:49:06 -04:00
qla.h scsi: qla2xxx: add ring buffer for tracing debug logs 2020-03-11 23:07:57 -04:00
random.h random: only read from /dev/random after its pool has received 128 bits 2019-04-17 10:30:21 -04:00
rcu.h Merge branches 'doc.2019.12.10a', 'exp.2019.12.09a', 'fixes.2020.01.24a', 'kfree_rcu.2020.01.24a', 'list.2020.01.10a', 'preempt.2020.01.24a' and 'torture.2019.12.09a' into HEAD 2020-01-24 10:37:27 -08:00
rdma_core.h RDMA/core: Add trace points to follow MR allocation 2020-01-07 16:10:53 -04:00
rdma.h rdma/ib: Add trace point macros to display human-readable values 2018-01-23 09:44:14 -05:00
regulator.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rpcgss.h SUNRPC: Trace gssproxy upcall results 2019-10-30 16:32:07 -04:00
rpcrdma.h xprtrdma: Make sendctx queue lifetime the same as connection lifetime 2020-01-15 10:54:32 -05:00
rpm.h PM-runtime: add tracepoints for usage_count changes 2020-01-13 12:28:29 +01:00
rseq.h rseq: Introduce restartable sequences system call 2018-06-06 11:58:31 +02:00
rtc.h rtc: Add tracepoints for RTC system 2018-02-13 21:30:22 +01:00
rxrpc.h rxrpc: Fix trace-after-put looking at the put call record 2019-10-07 11:05:05 +01:00
sched.h sched/debug: Add sched_overutilized tracepoint 2019-06-24 19:23:42 +02:00
scmi.h include: trace: Add SCMI header with trace events 2019-12-30 12:34:29 +00:00
scsi.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sctp.h sctp: move trace_sctp_probe_path into sctp_outq_sack 2019-12-26 13:06:45 -08:00
signal.h signal: Distinguish between kernel_siginfo and siginfo 2018-10-03 16:47:43 +02:00
siox.h siox: add support for tracing 2017-12-19 10:56:24 +01:00
skb.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
smbus.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
sock.h tcp: Define IPPROTO_MPTCP 2020-01-09 18:41:41 -08:00
spi.h spi/trace: Cap buffer contents at 64 bytes 2019-05-02 10:37:52 +09:00
spmi.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sunrpc.h SUNRPC: Capture signalled RPC tasks 2020-01-15 10:54:31 -05:00
sunvnet.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
swiotlb.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
syscalls.h syscalls: Remove start and number from syscall_get_arguments() args 2019-04-05 09:26:43 -04:00
target.h scsi: target: core: add task tag to trace events 2020-03-26 21:56:04 -04:00
task.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcp.h tcp: remove redundant new line from tcp_event_sk_skb 2019-11-09 19:41:50 -08:00
tegra_apb_dma.h tracing: Fix header include guards in trace event headers 2019-07-30 21:49:06 -04:00
thermal_power_allocator.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
thermal.h cpu_cooling: Drop static-power related stuff 2017-12-07 22:52:01 +01:00
thp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
timer.h y2038: syscall implementation cleanups 2019-12-01 14:00:59 -08:00
tlb.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
udp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ufs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
v4l2.h media: v4l2: abstract timeval handling in v4l2_buffer 2020-01-03 15:43:35 +01:00
vb2.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vmscan.h mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags 2019-05-14 09:47:51 -07:00
vsock_virtio_transport_common.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
wbt.h block: Fix writeback throttling W=1 compiler warnings 2019-10-07 08:31:59 -06:00
workqueue.h workqueue: remove workqueue_work event class 2020-01-15 08:02:59 -08:00
writeback.h memcg: fix a crash in wb_workfn when a device disappears 2020-01-31 10:30:36 -08:00
xdp.h devmap: Adjust tracepoint for map-less queue flush 2020-01-16 20:03:34 -08:00
xen.h tracing: xen: Ordered comparison of function pointers 2020-01-14 15:55:57 -05:00