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linux/include/trace/events
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Teng Qin 8fe4592438 bpf: map_get_next_key to return first key on NULL 
When iterating through a map, we need to find a key that does not exist
in the map so map_get_next_key will give us the first key of the map.
This often requires a lot of guessing in production systems.

This patch makes map_get_next_key return the first key when the key
pointer in the parameter is NULL.

Signed-off-by: Teng Qin <qinteng@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-25 11:57:45 -04:00
..
9p.h
net/9p/tracing: Export enums in tracepoints to userspace
2015-04-08 09:39:59 -04:00
afs.h
afs: Refcount the afs_call struct
2017-01-09 11:10:02 +00:00
alarmtimer.h
ktime: Get rid of the union
2016-12-25 17:21:22 +01:00
asoc.h
ASoC: trace: fix printing jack name
2016-02-26 10:52:48 +09:00
bcache.h
block: better op and flags encoding
2016-10-28 08:48:16 -06:00
block.h
block: cleanup tracing
2017-01-27 15:08:35 -07:00
bpf.h
bpf: map_get_next_key to return first key on NULL
2017-04-25 11:57:45 -04:00
btrfs.h
btrfs: Make btrfs_ino take a struct btrfs_inode
2017-02-14 15:50:51 +01:00
cgroup.h
kernfs: handle null pointers while printing node name and path
2017-02-10 16:02:26 +01:00
clk.h
clk: Add tracepoints for hardware operations
2015-03-12 12:18:51 -07:00
cma.h
mm: cma: add trace events for CMA allocations and freeings
2015-04-15 16:35:19 -07:00
compaction.h
mm, trace: extract COMPACTION_STATUS and ZONE_TYPE to a common header
2017-02-22 16:41:27 -08:00
context_tracking.h
…
cpuhp.h
cpu/hotplug: Add multi instance support
2016-09-02 20:05:05 +02:00
devlink.h
devlink: fix trace format string
2016-07-14 22:16:05 -07:00
dma_fence.h
dma-buf: Rename struct fence to dma_fence
2016-10-25 14:40:39 +02:00
ext4.h
don't bother with ->d_inode->i_sb - it's always equal to ->d_sb
2016-04-10 17:11:51 -04:00
f2fs.h
f2fs: add f2fs_drop_inode tracepoint
2017-02-27 10:51:20 -08:00
fib6.h
ipv6, trace: fix tos reporting on fib6_table_lookup
2016-03-20 13:44:34 -04:00
fib.h
net: Make table id type u32
2015-09-01 14:32:44 -07:00
filelock.h
locks: sprinkle some tracepoints around the file locking code
2016-01-08 11:38:13 -05:00
filemap.h
tracing, mm: Record pfn instead of pointer to struct page
2015-04-13 11:44:52 -03:00
fs_dax.h
mm, dax: change pmd_fault() to take only vmf parameter
2017-02-22 16:41:26 -08:00
gpio.h
tracing: gpio: Add Kconfig option for enabling/disabling trace events
2015-10-20 21:56:10 -04:00
host1x.h
gpu: host1x: Use struct host1x_bo pointers in traces
2014-11-13 16:11:32 +01:00
hswadsp.h
Merge remote-tracking branches 'asoc/topic/ml26124', 'asoc/topic/of', 'asoc/topic/omap', 'asoc/topic/pxa' and 'asoc/topic/rcar' into asoc-next
2014-03-12 23:04:35 +00:00
huge_memory.h
mm, thp: convert from optimistic swapin collapsing to conservative
2016-07-26 16:19:19 -07:00
i2c.h
tracing: Have the reg function allow to fail
2016-12-09 09:13:30 -05:00
intel_ish.h
HID: intel-ish-hid: ipc layer
2016-08-17 11:13:07 +02:00
intel-sst.h
tracing: Add TRACE_SYSTEM_VAR to intel-sst
2015-04-07 12:31:12 -04:00
iommu.h
iommu: Change trace unmap api to report unmapped size
2015-01-19 15:19:31 +01:00
ipi.h
tracepoint: add generic tracepoint definitions for IPI tracing
2014-08-07 20:40:40 -04:00
irq.h
irq: Fix typo in tracepoint.xml
2016-09-29 10:03:38 +02:00
jbd2.h
…
kmem.h
Merge tag 'trace-v4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2016-03-24 10:52:25 -07:00
kvm.h
KVM: x86: add KVM_CAP_X2APIC_API
2016-07-14 09:03:57 +02:00
libata.h
ata: Handle ATA NCQ NO-DATA commands correctly
2016-07-15 08:08:13 -04:00
lock.h
…
mce.h
x86/mce/AMD: Save MCA_IPID in MCE struct on SMCA systems
2016-09-13 15:23:12 +02:00
mdio.h
net/phy: add trace events for mdio accesses
2016-11-24 11:55:43 -05:00
migrate.h
mm: tracing: Export enums in tracepoints to user space
2015-04-08 09:40:01 -04:00
mmc.h
mmc: core: Provide tracepoints for request processing
2016-05-02 10:33:11 +02:00
mmflags.h
mm, vmscan: show LRU name in mm_vmscan_lru_isolate tracepoint
2017-02-22 16:41:29 -08:00
module.h
tracing: %pF is only for function pointers
2015-03-25 08:57:22 -04:00
napi.h
net: fixup for tracepoint napi:napi_poll
2016-07-15 15:55:01 -07:00
net.h
net: rename vlan_tx_* helpers since "tx" is misleading there
2015-01-13 17:51:08 -05:00
nilfs2.h
nilfs2: add tracepoints for analyzing reading and writing metadata files
2015-11-06 17:50:42 -08:00
nmi.h
…
oom.h
oom, trace: add compaction retry tracepoint
2017-02-22 16:41:27 -08:00
page_isolation.h
mm/page_isolation: fix tracepoint to mirror check function behavior
2016-04-01 17:03:37 -05:00
page_ref.h
mm/page_ref: add tracepoint to track down page reference manipulation
2016-03-17 15:09:34 -07:00
pagemap.h
mm: pagemap: avoid unnecessary overhead when tracepoints are deactivated
2014-08-06 18:01:20 -07:00
power_cpu_migrate.h
…
power.h
cpufreq: intel_pstate: Add io_boost trace
2016-09-16 23:55:30 +02:00
printk.h
printk, tracing: Avoiding unneeded blank lines
2016-07-15 15:52:41 -04:00
random.h
tracing: %pF is only for function pointers
2015-03-25 08:57:22 -04:00
rcu.h
rcu: Check cond_resched_rcu_qs() state less often to reduce GP overhead
2017-01-23 11:44:18 -08:00
regulator.h
…
rpm.h
…
rxrpc.h
rxrpc: Trace client call connection
2017-04-06 11:10:41 +01:00
sched.h
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/numa_balancing.h>
2017-03-02 08:42:30 +01:00
scsi.h
scsi-trace: define ZBC_IN and ZBC_OUT
2016-04-11 16:57:09 -04:00
signal.h
…
skb.h
…
sock.h
…
spi.h
…
spmi.h
spmi: add command tracepoints for SPMI
2015-08-05 12:27:09 -07:00
sunrpc.h
SUNRPC: Add tracepoints for dropped and deferred requests
2016-07-13 15:53:43 -04:00
sunvnet.h
sunvnet: Add support for perf LDC event tracing
2016-02-07 14:13:05 -05:00
swiotlb.h
swiotlb: Add swiotlb=noforce debug option
2016-12-19 09:05:20 -05:00
syscalls.h
tracing: Add #undef to fix compile error
2017-03-03 09:45:01 -05:00
target.h
target: Minimize SCSI header #include directives
2015-06-02 08:03:25 -07:00
task.h
tracing: Don't make assumptions about length of string on task rename
2015-08-31 10:47:14 -04:00
thermal_power_allocator.h
thermal: consistently use int for temperatures
2015-08-03 23:15:50 +08:00
thermal.h
thermal: trace: migrating thermal traces to use TRACE_DEFINE_ENUM() macros
2016-03-15 07:51:40 +08:00
thp.h
powerpc/thp: Add tracepoints to track hugepage invalidate
2014-08-13 18:20:42 +10:00
timer.h
Merge tag 'trace-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2017-02-27 13:26:17 -08:00
tlb.h
tracing: Remove duplicate checks for online CPUs
2016-03-08 11:19:28 -05:00
udp.h
…
ufs.h
scsi: ufs: add trace event for ufs commands
2017-01-05 18:10:04 -05:00
v4l2.h
[media] media: videobuf2: Move timestamp to vb2_buffer
2015-12-18 13:53:31 -02:00
vb2.h
[media] media: videobuf2: Move timestamp to vb2_buffer
2015-12-18 13:53:31 -02:00
vmscan.h
mm, vmscan: add mm_vmscan_inactive_list_is_low tracepoint
2017-02-22 16:41:29 -08:00
vsock_virtio_transport_common.h
VSOCK: Introduce virtio_vsock_common.ko
2016-08-02 02:57:29 +03:00
wbt.h
blk-wbt: add general throttling mechanism
2016-11-10 13:53:32 -07:00
workqueue.h
…
writeback.h
mm: vmscan: kick flushers when we encounter dirty pages on the LRU
2017-02-24 17:46:54 -08:00
xdp.h
bpf: add initial bpf tracepoints
2017-01-25 13:17:47 -05:00
xen.h
x86: expose number of page table levels on Kconfig level
2015-04-14 16:49:02 -07:00