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tracing: do not grab lock in wakeup latency function tracing
2009-09-10
Steven
Ro
s
t
e
dt
tracing: do not grab lock in wak
e
up latenc
y
function
.
.
.
commit
|
commitdiff
|
tree
2009-09-04
Steven Rostedt
ring-b
u
ffer: only enab
l
e ring_
b
uffer_swap_cpu w
h
en
.
.
.
commit
|
commitdiff
|
tree
2009-09-04
Steven Ro
s
tedt
r
i
ng-
b
uffer: c
h
eck for swapp
e
d
buffers in star
t
of
.
.
.
commit
|
commitdiff
|
tree
2009-09-04
Steven Rostedt
tracing: report err
o
r
in
trace if we fail to swap l
a
te
n
cy
.
.
.
commit
|
commitdiff
|
tree
2009-09-04
St
e
ven Rostedt
tracing:
add trace
_
array
_
pr
i
ntk f
o
r inte
r
n
al tra
c
ers
.
.
.
commit
|
commitdiff
|
tree
2009-09-04
Steven Roste
d
t
t
r
acing: pa
s
s around ri
n
g bu
f
fer
i
nstea
d
of
trac
e
r
commit
|
commitdiff
|
tree
2009-09-04
S
t
even Rostedt
tra
c
i
ng: ma
k
e t
r
a
cing
_
reset s
a
fe for external use
commit
|
commitdiff
|
tree
2009-09-04
Steven Rostedt
t
r
a
c
i
ng
:
u
se timestamp
to determin
e
start of lat
e
ncy
.
.
.
commit
|
commitdiff
|
tree
2009-09-04
Steven
R
o
s
tedt
tra
c
i
n
g
:
r
emov
e
u
sers of
trac
i
ng_reset
commit
|
commitdiff
|
tree
2009-09-04
Stev
e
n
Rostedt
t
r
ac
i
ng: dis
a
b
l
e buff
e
rs
a
nd synchroni
z
e_sched b
e
fore
.
.
.
commit
|
commitdiff
|
tree
2009-09-04
Steven Roste
d
t
trac
i
ng: dis
a
ble upda
t
e max trac
e
r
whi
l
e reading trace
commit
|
commitdiff
|
tree
2009-09-04
Steven Ros
t
edt
tracing: print out start and stop i
n
la
t
en
c
y trace
s
commit
|
commitdiff
|
tree
2009-09-04
Steven
Rostedt
ri
n
g-buffer: disable
a
ll cpu buffers
whe
n
on
e
fin
d
s
.
.
.
commit
|
commitdiff
|
tree
2009-09-04
Steven Ros
t
edt
ring-
b
uffer: do n
o
t coun
t
discarded
e
vents
commit
|
commitdiff
|
tree
2009-09-04
S
t
even Ro
s
tedt
ring-buffer: remove ring_buffer_event_discard
commit
|
commitdiff
|
tree
2009-09-04
St
e
ven R
o
stedt
ring-buffer:
fix
ring_
b
uffer_read cros
s
ing pa
g
es
commit
|
commitdiff
|
tree
2009-09-04
S
teven Rostedt
r
i
ng-
b
u
f
fer:
remo
v
e
u
nnecessary cpu_relax
commit
|
commitdiff
|
tree
2009-09-04
Steven Roste
d
t
ri
n
g-buf
f
er: do not swap buffe
r
s d
u
r
i
ng a commit
commit
|
commitdiff
|
tree
2009-09-04
Steven Ro
s
tedt
ring-b
u
ffer: do not
reset while in a
c
ommit
commit
|
commitdiff
|
tree
2009-08-27
St
e
ven Rostedt
trac
i
n
g:
only show tra
c
ing_
m
ax_latency when latency
.
.
.
commit
|
commitdiff
|
tree
2009-08-27
S
teven
Ros
t
edt
t
ra
c
ing:
r
emove
leg
a
c
y s
e
lect of MARK
E
RS by context
.
.
.
commit
|
commitdiff
|
tree
2009-08-26
St
e
ven Ro
s
tedt
t
racing
:
ad
d
c
omments to explai
n
TRA
C
E_EVENT out of
.
.
.
commit
|
commitdiff
|
tree
2009-08-26
Steven Rostedt
tracing/sch
e
d: show
CPU t
a
sk wakes up on
i
n trac
e
event
commit
|
commitdiff
|
tree
2009-08-07
Steven Rostedt
tracing: Fi
x
re
c
ordmco
u
nt
.
pl to handl
e
sec
t
ions wit
h
.
.
.
commit
|
commitdiff
|
tree
2009-08-06
Stev
e
n Rostedt
ring-buffe
r
:
do not
d
i
sable rin
g
buffer on oops_in_pro
g
ress
commit
|
commitdiff
|
tree
2009-08-06
Steven Rosted
t
r
ing-buffer: fix check
o
f try_to_discard
r
esult
commit
|
commitdiff
|
tree
2009-07-23
Steven Rostedt
t
r
aci
n
g: only
t
runcate ftrace f
i
les whe
n
O_T
R
U
N
C is set
commit
|
commitdiff
|
tree
2009-07-23
Steven Rostedt
tracing:
s
how
proper a
d
dress for trace-printk format
commit
|
commitdiff
|
tree
2009-07-13
Steven
Ros
t
edt
t
r
aci
n
g/function-profiler: do not free
p
er cpu variable
.
.
.
commit
|
commitdiff
|
tree
2009-07-07
Steven
Roste
d
t
r
ing-buffer
:
add des
i
gn docum
e
nt
commit
|
commitdiff
|
tree
2009-07-07
Steven Rostedt
ring-buf
f
er: make lockless
Signed-off-by: Steven Rostedt <
srostedt@redhat.com
>
commit
|
commitdiff
|
tree
2009-07-07
S
teven Ro
s
ted
t
ring-buffer:
m
a
k
e the buffe
r
a true circular link list
Signed-off-by: Steven Rostedt <
srostedt@redhat.com
>
commit
|
commitdiff
|
tree
2009-06-18
S
t
even Ros
t
edt
function-graph: add s
t
ack frame
test
commit
|
commitdiff
|
tree
2009-06-18
St
e
ven Ros
t
edt
functio
n
-graph: disabl
e
when both x
8
6_3
2
a
nd opti
m
ize
.
.
.
commit
|
commitdiff
|
tree
2009-06-17
Stev
e
n R
o
st
e
dt
ring-bu
f
fe
r
:
h
ave benchmark test
p
rint t
o
trace buffe
r
commit
|
commitdiff
|
tree
2009-06-17
Steven Rostedt
ring-bu
f
f
er: do not grab locks in
nmi
commit
|
commitdiff
|
tree
2009-06-17
S
t
even Rostedt
ring-b
u
ffer: add locks
around r
b
_
p
er_cpu_empty
commit
|
commitdiff
|
tree
2009-06-17
Steven
R
os
t
e
d
t
ring-buffer: check for les
s
than t
w
o
i
n size allo
c
ation
commit
|
commitdiff
|
tree
2009-06-17
Steven Rostedt
r
i
n
g-b
u
ffer: remove us
e
l
e
ss
compile ch
e
ck for buffer_page
.
.
.
commit
|
commitdiff
|
tree
2009-06-17
S
t
e
v
en Rostedt
ring-buf
f
er
:
remo
v
e
useless
warn o
n
c
heck
commit
|
commitdiff
|
tree
2009-06-17
Ste
v
en Ros
t
ed
t
ring-buffer: use BUF_PAGE_HD
R
_SIZ
E
i
n c
a
l
c
u
latin
g
i
n
dex
commit
|
commitdiff
|
tree
2009-06-16
Steven Rost
e
dt
trac
i
n
g
: update sam
p
l
e eve
n
t documentation
commit
|
commitdiff
|
tree
2009-06-16
Steven Rost
e
dt
ring-buffer
:
use com
m
i
t
counters f
o
r
comm
i
t poi
n
ter
.
.
.
commit
|
commitdiff
|
tree
2009-06-16
Steven
R
ostedt
ring-buffer: remove unused varia
b
l
e
commit
|
commitdiff
|
tree
2009-06-16
Steven Ro
s
tedt
ring-buffe
r
:
h
a
ve benchmar
k
test h
a
ndle discarded e
v
e
nts
commit
|
commitdiff
|
tree
2009-06-16
Steven
Roste
d
t
debugfs: dont stop on first failed
r
ecu
r
sive delete
commit
|
commitdiff
|
tree
2009-06-15
Steven Rosted
t
ring-buffer: pre
v
ent adding write
in dis
c
arded area
commit
|
commitdiff
|
tree
2009-06-10
Steven Rostedt
tr
a
cing: do not translate
e
v
e
nt hel
p
er ma
c
ros in pr
i
nt
.
.
.
commit
|
commitdiff
|
tree
2009-06-09
Steven Rosted
t
tracin
g
:
add prote
c
tion aro
u
nd
m
o
dule even
t
s unloa
d
commit
|
commitdiff
|
tree
2009-06-09
Steven Rostedt
tracing: add trace_seq_vp
r
int
i
nt
e
r
face
commit
|
commitdiff
|
tree
2009-06-09
Steven Ros
t
edt
t
racing: fi
x
the
b
lock trac
e
points pri
n
t size
commit
|
commitdiff
|
tree
2009-06-09
Steven Rostedt
r
i
n
g-buffer: fix ret in
r
b_add_time_sta
m
p
commit
|
commitdiff
|
tree
2009-06-03
Steven R
o
st
e
dt
tr
a
cing
:
a
dd annotation
t
o wha
t
typ
e
o
f
stack tr
a
ce
.
.
.
commit
|
commitdiff
|
tree
2009-06-03
S
t
e
v
e
n Rostedt
r
in
g
-buffer:
d
is
c
ard timestamps that
are a
t
the start
.
.
.
commit
|
commitdiff
|
tree
2009-06-03
Steven Rostedt
ring-b
u
ffer
:
try to
d
iscard
unneeded timest
a
m
p
s
commit
|
commitdiff
|
tree
2009-06-02
Steven Ros
t
edt
fu
n
c
t
i
on-graph: alway
s
in
i
tialize
t
ask ret_stack
commit
|
commitdiff
|
tree
2009-06-02
Steven Ro
s
tedt
function-graph: m
o
ve ini
t
ialization of new tasks up
.
.
.
commit
|
commitdiff
|
tree
2009-06-02
Steven Rostedt
f
uncti
o
n-graph: add memory b
a
rr
i
ers for accessing t
a
sk
.
.
.
commit
|
commitdiff
|
tree
2009-06-02
S
teven
Rostedt
function-graph: enable
t
he stack
a
fter initialization
.
.
.
commit
|
commitdiff
|
tree
2009-06-02
Steven Rostedt
f
u
n
c
tion-gr
a
ph:
o
nly allocate init tasks if it wa
s
.
.
.
commit
|
commitdiff
|
tree
2009-06-02
Steven Ros
t
edt
ft
r
ace: do
not
profi
l
e functions when disabled
commit
|
commitdiff
|
tree
2009-06-02
S
t
even Rostedt
tracing: make trace pipe recognize latency
f
orm
a
t
flag
commit
|
commitdiff
|
tree
2009-06-02
Stev
e
n
R
ostedt
tracing
:
remo
v
e redu
n
dant S
O
FTIRQ from softirq event
.
.
.
commit
|
commitdiff
|
tree
2009-06-02
Stev
e
n R
o
s
t
edt
tracing:
c
ombine the def
a
ult trac
e
rs into one
config
commit
|
commitdiff
|
tree
2009-06-02
Stev
e
n Rost
e
dt
tracin
g
: fix config op
t
ions to not show when automatically
.
.
.
commit
|
commitdiff
|
tree
2009-06-02
St
e
ven
Rostedt
f
trace: add kerne
l
command line f
u
nction
f
i
lte
r
ing
commit
|
commitdiff
|
tree
2009-05-26
Steve
n
Rostedt
tracing
:
c
onvert irq event
s
to use __print_symbolic
commit
|
commitdiff
|
tree
2009-05-26
S
teven Rostedt
tracing: add
_
_print_symbolic
t
o
tr
a
ce events
commit
|
commitdiff
|
tree
2009-05-26
Steven
R
ostedt
tracing:
add flag output for kmem
events
commit
|
commitdiff
|
tree
2009-05-26
St
e
ven Ro
s
tedt
tra
c
i
ng: a
d
d
p
r
e
vious task
s
t
ate i
n
fo to sched
switch
.
.
.
commit
|
commitdiff
|
tree
2009-05-26
Steven Rostedt
tracing: add __print
_
flags for e
v
ents
commit
|
commitdiff
|
tree
2009-05-15
S
t
even Ros
t
e
dt
tracing: stop
s
tack tr
a
ce o
n
first empty
e
ntry
commit
|
commitdiff
|
tree
2009-05-15
Steven Rostedt
x86/stacktra
c
e: retu
r
n
0 instead of -1
f
o
r stack
o
ps
commit
|
commitdiff
|
tree
2009-05-13
Steven Rostedt
x86/function
-
graph: fix constraint for recor
d
ing
o
ld
.
.
.
commit
|
commitdiff
|
tree
2009-05-12
Steven Rostedt
r
ing-b
u
ffer
:
m
o
ve code around to remo
v
e
some branc
h
es
commit
|
commitdiff
|
tree
2009-05-12
S
te
v
en Rost
e
dt
ring-buffer: use inter
n
al tim
e
stamp f
u
nct
i
o
n
commit
|
commitdiff
|
tree
2009-05-12
Steven R
o
stedt
r
ing-buffer: smal
l
optimizations
commit
|
commitdiff
|
tree
2009-05-11
Ste
v
en Rostedt
ri
n
g-buffer: move calc
u
lation of eve
n
t length
commit
|
commitdiff
|
tree
2009-05-11
St
e
ven Roste
d
t
ring-buf
f
er
:
remove
t
y
pe param
e
t
e
r
f
rom rb_
r
eserve
_
next_event
commit
|
commitdiff
|
tree
2009-05-11
S
teven
Rostedt
rin
g
-buffer: ch
e
ck for di
v
ide by
z
e
ro
i
n
r
ing-
b
uffer
.
.
.
commit
|
commitdiff
|
tree
2009-05-11
Stev
e
n R
o
s
t
e
d
t
r
i
ng-buffer
:
replace
c
onstants
w
i
t
h time ma
c
ros in
.
.
.
commit
|
commitdiff
|
tree
2009-05-08
Stev
e
n R
o
sted
t
tracing:
a
d
d
t
race_set_clr_event t
o
e
xpo
r
t even
t
enabli
n
g
.
.
.
commit
|
commitdiff
|
tree
2009-05-08
S
t
ev
e
n
R
ostedt
t
racin
g
: in
i
tia
l
ize return value for __ftrace_set_cl
r
_
e
vent
commit
|
commitdiff
|
tree
2009-05-08
S
tev
e
n
R
os
t
e
d
t
r
i
ng-buffer: change WAR
N
_
ON
from chec
k
ing p
r
e
empt_count
.
.
.
commit
|
commitdiff
|
tree
2009-05-07
S
t
e
ven Rostedt
ring-b
u
ffe
r
:
add total count in ring-b
u
ffer-
b
enchmark
commit
|
commitdiff
|
tree
2009-05-07
St
e
ven Roste
d
t
rin
g
-buffer: only p
e
riodicall
y
cal
l
cond_resc
h
ed to
.
.
.
commit
|
commitdiff
|
tree
2009-05-07
S
t
eve
n
Roste
d
t
tracing: have menu default enabled
when kernel d
e
b
ug
.
.
.
commit
|
commitdiff
|
tree
2009-05-07
S
t
even Rostedt
tracing
:
append ":*" to i
n
ternal setting
of
system
.
.
.
commit
|
commitdiff
|
tree
2009-05-07
S
teven Ros
t
e
d
t
rin
g
-buffer:
remov
e
com
p
l
e
x c
a
lcula
t
i
ons in
r
ing-buffer
.
.
.
commit
|
commitdiff
|
tree
2009-05-07
Steven Rostedt
t
racing: ad
d
h
i
er
a
rchical enabling
o
f event
s
commit
|
commitdiff
|
tree
2009-05-07
Steven Rosted
t
tr
a
c
i
ng
:
reset ring
b
uffer whe
n
removing modu
l
es with
.
.
.
commit
|
commitdiff
|
tree
2009-05-07
Steven Rostedt
tracing: update sample
wi
t
h
TR
A
CE_INCLUDE_FILE
commit
|
commitdiff
|
tree
2009-05-06
S
t
even
R
o
s
t
edt
ring-bu
f
fer: ch
a
nge te
s
t
to be more latency
friendly
commit
|
commitdiff
|
tree
2009-05-06
S
teven Rostedt
r
i
n
g
-
b
u
ffer: mak
e
moving the tai
l
p
a
ge a separate function
commit
|
commitdiff
|
tree
2009-05-06
Steven Rostedt
ring-buffe
r
:
c
hec
k
for failed a
l
location in ring buffer
.
.
.
commit
|
commitdiff
|
tree
2009-05-06
Steve
n
Rostedt
rin
g
-buffe
r
:
r
e
m
o
ve unneeded co
n
dit
i
onal in rb_reserve_next
commit
|
commitdiff
|
tree
2009-05-06
Steven Rosted
t
ring
-
buff
e
r
:
a
d
d benchmark and tester
commit
|
commitdiff
|
tree
2009-05-06
Steven Rostedt
ring-buffer: move big i
f
st
a
te
m
en
t
down
commit
|
commitdiff
|
tree
2009-05-05
Steven Rostedt
tracing:
u
s
e pro
p
er exp
o
r
t
symb
o
l f
o
r
t
r
acing api
commit
|
commitdiff
|
tree
2009-05-05
Ste
v
en
R
ostedt
ring-buffer: disable
w
rit
e
r
s
w
h
en resett
i
ng buf
f
er
s
commit
|
commitdiff
|
tree
next