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scripts/gdb: add a timer list command

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Implement a command to print the timer list, much like how
/proc/timer_list is implemented.  This can be used to look at the
pending timers on a crashed system.

[swboyd@chromium.org: v2]
  Link: http://lkml.kernel.org/r/20190329220844.38234-5-swboyd@chromium.org
Link: http://lkml.kernel.org/r/20190325184522.260535-5-swboyd@chromium.org
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Nikolay Borisov <n.borisov.lkml@gmail.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Jackie Liu <liuyun01@kylinos.cn>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stephen Boyd 2019-05-14 15:45:59 -07:00 • committed by Linus Torvalds
parent 449ca0c95e
commit 442284a89a
3 changed files with 233 additions and 0 deletions
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13
scripts/gdb/linux/constants.py.in
View file

@ -13,8 +13,10 @@
*/
#include <linux/fs.h>
#include <linux/hrtimer.h>
#include <linux/mount.h>
#include <linux/of_fdt.h>
#include <linux/threads.h>
/* We need to stringify expanded macros so that they can be parsed */
@ -44,6 +46,9 @@ LX_VALUE(SB_DIRSYNC)
LX_VALUE(SB_NOATIME)
LX_VALUE(SB_NODIRATIME)
/* linux/htimer.h */
LX_GDBPARSED(hrtimer_resolution)
/* linux/mount.h */
LX_VALUE(MNT_NOSUID)
LX_VALUE(MNT_NODEV)
@ -52,8 +57,16 @@ LX_VALUE(MNT_NOATIME)
LX_VALUE(MNT_NODIRATIME)
LX_VALUE(MNT_RELATIME)
/* linux/threads.h */
LX_VALUE(NR_CPUS)
/* linux/of_fdt.h> */
LX_VALUE(OF_DT_HEADER)
/* Kernel Configs */
LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS)
LX_CONFIG(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
LX_CONFIG(CONFIG_HIGH_RES_TIMERS)
LX_CONFIG(CONFIG_NR_CPUS)
LX_CONFIG(CONFIG_OF)
LX_CONFIG(CONFIG_TICK_ONESHOT)