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linux-stable/include/trace/events
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Carlos Galo 72ba14deb4 mm: update mark_victim tracepoints fields 
The current implementation of the mark_victim tracepoint provides only the
process ID (pid) of the victim process.  This limitation poses challenges
for userspace tools requiring real-time OOM analysis and intervention. 
Although this information is available from the kernel logs, it’s not
the appropriate format to provide OOM notifications.  In Android, BPF
programs are used with the mark_victim trace events to notify userspace of
an OOM kill.  For consistency, update the trace event to include the same
information about the OOMed victim as the kernel logs.

- UID
   In Android each installed application has a unique UID. Including
   the `uid` assists in correlating OOM events with specific apps.

- Process Name (comm)
   Enables identification of the affected process.

- OOM Score
  Will allow userspace to get additional insight of the relative kill
  priority of the OOM victim. In Android, the oom_score_adj is used to
  categorize app state (foreground, background, etc.), which aids in
  analyzing user-perceptible impacts of OOM events [1].

- Total VM, RSS Stats, and pgtables
  Amount of memory used by the victim that will, potentially, be freed up
  by killing it.

[1] 246dc8fc95:frameworks/base/services/core/java/com/android/server/am/ProcessList.java;l=188-283
Signed-off-by: Carlos Galo <carlosgalo@google.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 		2024-03-04 17:01:16 -08:00
..
9p.h 9p: prevent read overrun in protocol dump tracepoint 2023-12-05 21:18:44 +09:00
afs.h afs: Fix error handling with lookup via FS.InlineBulkStatus 2024-01-22 22:30:14 +00:00
alarmtimer.h
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asoc.h
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avc.h
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bcache.h
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block.h fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
bpf_test_run.h
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bridge.h net: bridge: Add a tracepoint for MDB overflows 2023-02-06 08:48:25 +00:00
btrfs.h btrfs: use the flags of an extent map to identify the compression type 2023-12-15 22:59:02 +01:00
cachefiles.h fscache,cachefiles: add prepare_ondemand_read() callback 2022-12-07 10:56:29 +08:00
cgroup.h
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clk.h clk: Add trace events for rate requests 2022-12-07 13:54:09 -08:00
cma.h trace: cma: remove unnecessary event class cma_alloc_class 2023-04-05 19:42:58 -07:00
compaction.h mm: compaction: update the cc->nr_migratepages when allocating or freeing the freepages 2024-02-22 10:24:50 -08:00
context_tracking.h
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cpuhp.h
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csd.h smp: Change function signatures to use call_single_data_t 2023-09-13 14:59:24 +02:00
damon.h mm/damon/core: use nr_accesses_bp as a source of damos_before_apply tracepoint 2023-10-04 10:32:31 -07:00
devfreq.h
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devlink.h devlink: Fix TP_STRUCT_entry in trace of devlink health report 2023-02-15 19:15:44 -08:00
dlm.h fs: dlm: add plock dev tracepoints 2023-08-10 10:33:03 -05:00
dma_fence.h
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erofs.h erofs: adapt folios for z_erofs_read_folio() 2023-08-23 23:47:33 +08:00
error_report.h panic: use error_report_end tracepoint on warnings 2022-01-20 08:52:55 +02:00
ext4.h ext4: remove 'needed' in trace_ext4_discard_preallocations 2024-01-18 10:52:45 -05:00
f2fs.h f2fs: add tracepoint for f2fs_vm_page_mkwrite() 2023-12-11 13:37:53 -08:00
fib.h net: Replace strlcpy with strscpy 2023-07-04 19:40:16 +01:00
fib6.h net: Replace strlcpy with strscpy 2023-07-04 19:40:16 +01:00
filelock.h
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filemap.h
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fs_dax.h
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fscache.h fscache: Fix oops due to race with cookie_lru and use_cookie 2022-12-07 11:49:18 -08:00
fsi.h fsi: core: Add trace events for scan and unregister 2023-08-09 15:43:28 +09:30
fsi_master_aspeed.h fsi: Add trace events in initialization path 2022-02-21 19:38:54 +10:30
fsi_master_ast_cf.h
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fsi_master_gpio.h
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fsi_master_i2cr.h fsi: Add IBM I2C Responder virtual FSI master 2023-08-11 13:32:14 +09:30
gpio.h
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gpu_mem.h
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habanalabs.h accel/habanalabs: minor cosmetics update to trace file 2023-10-09 12:37:23 +03:00
handshake.h net/handshake: Trace events for TLS Alert helpers 2023-07-28 14:07:59 -07:00
host1x.h
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huge_memory.h mm/khugepaged: skip shmem with userfaultfd 2023-04-18 16:29:52 -07:00
hwmon.h
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i2c.h
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i2c_slave.h i2c: add tracepoints for I2C slave events 2022-03-20 00:11:05 +01:00
ib_mad.h IB/mad: Don't call to function that might sleep while in atomic context 2022-11-10 10:57:15 +02:00
ib_umad.h
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initcall.h
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intel-sst.h
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intel_ifs.h platform/x86/intel/ifs: Gen2 Scan test support 2023-10-06 13:05:18 +03:00
intel_ish.h
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io_uring.h io_uring: rename trace_io_uring_submit_sqe() tracepoint 2023-04-03 07:16:15 -06:00
iocost.h blk-iocost: Trace vtime_base_rate instead of vtime_rate 2022-12-01 07:44:12 -07:00
iommu.h iommu: Remove detach_dev callback 2023-01-13 16:39:18 +01:00
ipi.h trace: Add trace_ipi_send_cpu() 2023-03-24 11:01:29 +01:00
irq.h softirq: Add trace points for tasklet entry/exit 2023-04-15 10:17:16 +02:00
irq_matrix.h
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iscsi.h scsi: iscsi: tracing: Use the new __vstring() helper 2022-07-19 11:20:25 -04:00
jbd2.h jbd2: remove journal_clean_one_cp_list() 2023-07-10 23:09:21 -04:00
kmem.h mm: convert mm's rss stats into percpu_counter 2022-11-30 15:58:40 -08:00
ksm.h mm/ksm: add tracepoint for ksm advisor 2023-12-29 11:58:27 -08:00
kvm.h KVM: remove CONFIG_HAVE_KVM_IRQFD 2023-12-08 15:43:33 -05:00
kyber.h kyber: Replace strlcpy with strscpy 2023-07-17 08:18:17 -06:00
libata.h ata: libata: add qc->flags in ata_qc_complete_template tracepoint 2022-06-17 16:30:03 +09:00
lock.h locking/mutex: Make contention tracepoints more consistent wrt adaptive spinning 2022-04-05 10:24:36 +02:00
maple_tree.h Maple Tree: add new data structure 2022-09-26 19:46:13 -07:00
mce.h
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mctp.h mctp: Add SIOCMCTP{ALLOC,DROP}TAG ioctls for tag control 2022-02-09 12:00:11 +00:00
mdio.h
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migrate.h mm/migrate: add nr_split to trace_mm_migrate_pages stats. 2023-10-25 16:47:13 -07:00
mlxsw.h
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mmap.h mm: mmap: remove newline at the end of the trace 2023-03-23 17:18:36 -07:00
mmap_lock.h
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mmc.h
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mmflags.h arch: Remove Itanium (IA-64) architecture 2023-09-11 08:13:17 +00:00
module.h
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mptcp.h net: implement lockless SO_MAX_PACING_RATE 2023-10-01 19:09:54 +01:00
napi.h
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nbd.h
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neigh.h neighbor: tracing: Move pin6 inside CONFIG_IPV6=y section 2023-10-18 11:16:43 +01:00
net.h net: fix net_dev_start_xmit trace event vs skb_transport_offset() 2023-07-03 09:13:23 +01:00
net_probe_common.h
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netfs.h netfs: Implement a write-through caching option 2023-12-28 09:45:27 +00:00
netlink.h
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nilfs2.h fs/nilfs2: Use the enum req_op and blk_opf_t types 2022-07-14 12:14:33 -06:00
nmi.h
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notifier.h notifiers: add tracepoints to the notifiers infrastructure 2023-04-08 13:45:38 -07:00
objagg.h
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oom.h mm: update mark_victim tracepoints fields 2024-03-04 17:01:16 -08:00
osnoise.h
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page_isolation.h
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page_pool.h page_pool: split types and declarations from page_pool.h 2023-08-07 13:05:19 -07:00
page_ref.h
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pagemap.h
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percpu.h include/trace/events/percpu.h: cleanup for "percpu: improve percpu_alloc_percpu event trace" 2022-05-25 10:47:48 -07:00
power.h cpuidle: Add cpu_idle_miss trace event 2022-08-03 17:50:58 +02:00
power_cpu_migrate.h
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preemptirq.h
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printk.h
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pwc.h
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pwm.h pwm/tracing: Also record trace events for failed API calls 2022-12-06 12:46:23 +01:00
qdisc.h net: Print hashed skb addresses for all net and qdisc events 2022-06-27 11:57:06 +01:00
qla.h scsi: qla2xxx: tracing: Use the new __vstring() helper 2022-07-19 11:20:25 -04:00
qrtr.h net: qrtr: correct types of trace event parameters 2023-04-04 18:58:43 -07:00
rcu.h RCU Changes for 6.4: 2023-04-24 12:16:14 -07:00
rdma_core.h
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regulator.h
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rpcgss.h SUNRPC: Record gss_wrap() errors in svcauth_gss_wrap_priv() 2023-02-20 09:20:25 -05:00
rpcrdma.h svcrdma: Copy construction of svc_rqst::rq_arg to rdma_read_complete() 2024-01-07 17:54:33 -05:00
rpm.h
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rseq.h tracing/rseq: Add mm_cid field to rseq_update 2022-12-27 12:52:15 +01:00
rtc.h
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rv.h rv/monitor: Add the wwnr monitor 2022-07-30 14:01:30 -04:00
rwmmio.h asm-generic/io: Add _RET_IP_ to MMIO trace for more accurate debug info 2022-11-21 22:02:10 +01:00
rxrpc.h rxrpc: Fix counting of new acks and nacks 2024-02-05 12:34:07 +00:00
sched.h sched: Remove vruntime from trace_sched_stat_runtime() 2023-11-15 09:57:49 +01:00
scmi.h include: trace: Add platform and channel instance references 2023-01-20 11:40:57 +00:00
scsi.h scsi: core: Trace SCSI sense data 2023-05-31 11:05:34 -04:00
sctp.h
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signal.h
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siox.h
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skb.h net: add location to trace_consume_skb() 2023-02-20 08:28:49 +00:00
smbus.h
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sock.h inet: preserve const qualifier in inet_sk() 2023-03-17 08:56:37 +00:00
sof.h ASoC: SOF: replace ipc4-loader dev_vdbg with tracepoints 2022-09-19 15:44:08 +01:00
sof_intel.h ASoC: SOF: Intel: replace dev_vdbg with tracepoints 2022-09-19 15:44:06 +01:00
spi.h spi: Fix spelling typos and acronyms capitalization 2023-07-11 14:14:32 +01:00
spmi.h spmi: trace: fix stack-out-of-bound access in SPMI tracing functions 2022-07-24 16:16:44 +02:00
sunrpc.h SUNRPC: Remove RQ_SPLICE_OK 2024-01-07 17:54:26 -05:00
sunvnet.h
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swiotlb.h swiotlb: make the swiotlb_init interface more useful 2022-04-18 07:21:11 +02:00
syscalls.h
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target.h
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task.h tracing: Replace strlcpy with strscpy in trace/events/task.h 2023-09-01 21:00:00 -04:00
tcp.h tcp: add missing family to tcp_set_ca_state() tracepoint 2023-08-09 13:45:19 -07:00
tegra_apb_dma.h
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thermal_pressure.h arch_topology: Trace the update thermal pressure 2022-05-06 09:57:38 +02:00
thp.h powerpc/book3s64/mm: enable transparent pud hugepage 2023-08-18 10:12:55 -07:00
timer.h tracing/timers: Add tracepoint for tracking timer base is_idle flag 2023-12-20 16:49:38 +01:00
tlb.h
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udp.h
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ufs.h scsi: ufs: core: Include the SCSI ID in UFS command tracing output 2023-09-13 20:44:59 -04:00
v4l2.h
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vb2.h
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vmalloc.h mm: vmalloc: add free_vmap_area_noflush trace event 2022-11-08 17:37:17 -08:00
vmscan.h mm, vmscan: remove ISOLATE_UNMAPPED 2023-10-04 10:32:29 -07:00
vsock_virtio_transport_common.h vsock/virtio: MSG_ZEROCOPY flag support 2023-09-21 12:34:00 +02:00
watchdog.h watchdog: Add tracing events for the most usual watchdog events 2022-10-12 09:47:02 +02:00
wbt.h blk-wbt: Replace strlcpy with strscpy 2023-07-17 08:18:17 -06:00
workqueue.h workqueue: Fix type of cpu in trace event 2022-06-07 07:09:47 -10:00
writeback.h writeback: fix dereferencing NULL mapping->host on writeback_page_template 2023-06-19 13:19:31 -07:00
xdp.h net: invert the netdevice.h vs xdp.h dependency 2023-08-03 08:38:07 -07:00
xen.h x86/xen: move paravirt lazy code 2023-09-19 07:04:49 +02:00