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scripts/gdb: print interrupts

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This GDB script prints the interrupts in the system in the same way that
/proc/interrupts does.  This does include the architecture specific part
done by arch_show_interrupts() for x86, ARM, ARM64 and MIPS.  Example
output from an ARM64 system:

(gdb) lx-interruptlist
           CPU0       CPU1       CPU2       CPU3
 10:       3167      1225      1276      2629     GICv2   30 Level     arch_timer
 13:          0         0         0         0     GICv2   36 Level     arm-pmu
 14:          0         0         0         0     GICv2   37 Level     arm-pmu
 15:          0         0         0         0     GICv2   38 Level     arm-pmu
 16:          0         0         0         0     GICv2   39 Level     arm-pmu
 28:          0         0         0         0  interrupt-controller@8410640    5 Edge      brcmstb-gpio-wake
 30:        125         0         0         0     GICv2  128 Level     ttyS0
 31:          0         0         0         0  interrupt-controller@8416000    0 Level     mspi_done
 32:          0         0         0         0  interrupt-controller@8410640    3 Edge      brcmstb-waketimer
 33:          0         0         0         0  interrupt-controller@8418580    8 Edge      brcmstb-waketimer-rtc
 34:        872         0         0         0     GICv2  230 Level     brcm_scmi@0
 35:          0         0         0         0  interrupt-controller@8410640   10 Edge      8d0f200.usb-phy
 37:          0         0         0         0     GICv2   97 Level     PCIe PME
 42:          0         0         0         0     GICv2  145 Level     xhci-hcd:usb1
 43:         94         0         0         0     GICv2   71 Level     mmc1
 44:          0         0         0         0     GICv2   70 Level     mmc0
IPI0:        23       666       154        98      Rescheduling interrupts
IPI1:       247      1053      1701       634      Function call interrupts
IPI2:         0         0         0         0      CPU stop interrupts
IPI3:         0         0         0         0      CPU stop (for crash dump) interrupts
IPI4:         0         0         0         0      Timer broadcast interrupts
IPI5:         7         9         5         0      IRQ work interrupts
IPI6:         0         0         0         0      CPU wake-up interrupts
ERR:          0

Link: https://lkml.kernel.org/r/20230406220451.1583239-1-f.fainelli@gmail.com
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Florian Fainelli
2023-04-06 15:04:51 -07:00
committed by Andrew Morton
parent 8af055ae25
commit b0969d7687
3 changed files with 247 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
scripts/gdb/linux/constants.py.in
View File

@@ -15,6 +15,7 @@
#include <linux/clk-provider.h>
#include <linux/fs.h>
#include <linux/hrtimer.h>
#include <linux/irq.h>
#include <linux/mount.h>
#include <linux/of_fdt.h>
#include <linux/radix-tree.h>
@@ -57,6 +58,10 @@ LX_VALUE(SB_NODIRATIME)
/* linux/htimer.h */
LX_GDBPARSED(hrtimer_resolution)
/* linux/irq.h */
LX_GDBPARSED(IRQD_LEVEL)
LX_GDBPARSED(IRQ_HIDDEN)
/* linux/mount.h */
LX_VALUE(MNT_NOSUID)
LX_VALUE(MNT_NODEV)
@@ -85,3 +90,12 @@ LX_CONFIG(CONFIG_HIGH_RES_TIMERS)
LX_CONFIG(CONFIG_NR_CPUS)
LX_CONFIG(CONFIG_OF)
LX_CONFIG(CONFIG_TICK_ONESHOT)
LX_CONFIG(CONFIG_GENERIC_IRQ_SHOW_LEVEL)
LX_CONFIG(CONFIG_X86_LOCAL_APIC)
LX_CONFIG(CONFIG_SMP)
LX_CONFIG(CONFIG_X86_THERMAL_VECTOR)
LX_CONFIG(CONFIG_X86_MCE_THRESHOLD)
LX_CONFIG(CONFIG_X86_MCE_AMD)
LX_CONFIG(CONFIG_X86_MCE)
LX_CONFIG(CONFIG_X86_IO_APIC)
LX_CONFIG(CONFIG_HAVE_KVM)