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sara hartseshartse
sara hartse
authored and
shartse
committed
Stacks should be a pretty printer and a locator
1 parent 8d23f80 commit 41c14a2

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7 files changed

+342
-192
lines changed

7 files changed

+342
-192
lines changed

‎sdb/commands/stacks.py‎

Lines changed: 218 additions & 192 deletions
Large diffs are not rendered by default.

‎tests/integration/data/regression_output/linux/echo 0xffffa089669edc00 | stack‎

Lines changed: 13 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,13 @@
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TASK_STRUCT STATE COUNT
2+
==========================================
3+
0xffffa089669edc00 INTERRUPTIBLE 1
4+
__schedule+0x2c0
5+
schedule+0x2c
6+
schedule_hrtimeout_range_clock+0x181
7+
schedule_hrtimeout_range+0x13
8+
ep_poll+0x258
9+
do_epoll_wait+0xb0
10+
__x64_sys_epoll_wait+0x1e
11+
do_syscall_64+0x5a
12+
entry_SYSCALL_64+0x7c
13+

‎tests/integration/data/regression_output/linux/stacks -m bogus | count‎

Lines changed: 1 addition & 0 deletions
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sdb: stacks: module 'bogus' doesn't exist or isn't currently loaded

‎tests/integration/data/regression_output/linux/stacks -m zfs -c zthr_procedure‎

Lines changed: 25 additions & 0 deletions
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@@ -0,0 +1,25 @@
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TASK_STRUCT STATE COUNT
2+
==========================================
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0xffffa0895684c500 INTERRUPTIBLE 13
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__schedule+0x2c0
5+
schedule+0x2c
6+
cv_wait_common+0x11f
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__cv_wait_sig+0x15
8+
zthr_procedure+0x51
9+
thread_generic_wrapper+0x74
10+
kthread+0x121
11+
ret_from_fork+0x1f
12+
13+
0xffffa08956849700 INTERRUPTIBLE 1
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__schedule+0x2c0
15+
schedule+0x2c
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schedule_hrtimeout_range_clock+0xb9
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schedule_hrtimeout_range+0x13
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__cv_timedwait_hires+0x11b
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cv_timedwait_hires_common+0x4b
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cv_timedwait_sig_hires+0x14
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zthr_procedure+0xa4
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thread_generic_wrapper+0x74
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kthread+0x121
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ret_from_fork+0x1f
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‎tests/integration/data/regression_output/linux/stacks -m zfs | count‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
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(unsigned long long)26

‎tests/integration/data/regression_output/linux/threads | filter obj.comm == "java" | stack‎

Lines changed: 79 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,79 @@
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TASK_STRUCT STATE COUNT
2+
==========================================
3+
0xffffa08960a38000 INTERRUPTIBLE 57
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__schedule+0x2c0
5+
schedule+0x2c
6+
futex_wait_queue_me+0xc4
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futex_wait+0x10a
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do_futex+0x364
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__x64_sys_futex+0x13f
10+
do_syscall_64+0x5a
11+
entry_SYSCALL_64+0x7c
12+
13+
0xffffa08960a24500 INTERRUPTIBLE 12
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__schedule+0x2c0
15+
schedule+0x2c
16+
schedule_hrtimeout_range_clock+0xb9
17+
schedule_hrtimeout_range+0x13
18+
ep_poll+0x258
19+
do_epoll_wait+0xb0
20+
__x64_sys_epoll_wait+0x1e
21+
do_syscall_64+0x5a
22+
entry_SYSCALL_64+0x7c
23+
24+
0xffffa088f740dc00 INTERRUPTIBLE 6
25+
__schedule+0x2c0
26+
schedule+0x2c
27+
pipe_wait+0x70
28+
pipe_read+0x21f
29+
new_sync_read+0x109
30+
__vfs_read+0x29
31+
vfs_read+0x8e
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ksys_read+0x5c
33+
__x64_sys_read+0x1a
34+
do_syscall_64+0x5a
35+
entry_SYSCALL_64+0x7c
36+
37+
0xffffa088f740ae00 INTERRUPTIBLE 3
38+
__schedule+0x2c0
39+
schedule+0x2c
40+
do_wait+0x1cb
41+
kernel_wait4+0x89
42+
__do_sys_wait4+0x95
43+
__x64_sys_wait4+0x1e
44+
do_syscall_64+0x5a
45+
entry_SYSCALL_64+0x7c
46+
47+
0xffffa088ef2d1700 INTERRUPTIBLE 2
48+
__schedule+0x2c0
49+
schedule+0x2c
50+
schedule_timeout+0x1db
51+
inet_csk_accept+0x246
52+
inet_accept+0x45
53+
__sys_accept4+0x104
54+
__x64_sys_accept+0x1c
55+
do_syscall_64+0x5a
56+
entry_SYSCALL_64+0x7c
57+
58+
0xffffa0889cd4dc00 INTERRUPTIBLE 2
59+
__schedule+0x2c0
60+
schedule+0x2c
61+
schedule_hrtimeout_range_clock+0x181
62+
schedule_hrtimeout_range+0x13
63+
ep_poll+0x258
64+
do_epoll_wait+0xb0
65+
__x64_sys_epoll_wait+0x1e
66+
do_syscall_64+0x5a
67+
entry_SYSCALL_64+0x7c
68+
69+
0xffffa088f0979700 INTERRUPTIBLE 1
70+
__schedule+0x2c0
71+
schedule+0x2c
72+
schedule_hrtimeout_range_clock+0x181
73+
schedule_hrtimeout_range+0x13
74+
poll_schedule_timeout.constprop.11+0x46
75+
do_sys_poll+0x3d6
76+
__x64_sys_poll+0x3b
77+
do_syscall_64+0x5a
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entry_SYSCALL_64+0x7c
79+

‎tests/integration/test_linux_generic.py‎

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -82,6 +82,10 @@
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"stacks -m zfs",
8383
"stacks -c spa_sync",
8484
"stacks -m zfs -c spa_sync",
85+
"stacks -m zfs -c zthr_procedure",
86+
'threads | filter obj.comm == "java" | stack',
87+
"stacks -m zfs | count",
88+
"echo 0xffffa089669edc00 | stack",
8589

8690
# threads
8791
"threads",
@@ -139,6 +143,7 @@
139143
"stacks -m bogus",
140144
"stacks -c bogus",
141145
"stacks -t bogus",
146+
"stacks -m bogus | count",
142147
]
143148

144149
CMD_TABLE = POS_CMDS + STRIPPED_POS_CMDS + NEG_CMDS

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