MIRRORS/linux-imx
1
0
Fork 0
mirror of https://github.com/nxp-imx/linux-imx.git synced 2025-07-12 20:35:23 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

ANDROID: vendor_hooks: add hook to show more vendor cpu info.

Browse Source 
Add hook to show the more information about cpu, when cat /proc/cpuinfo
 , some chip info will be appended.

Bug: 341597636
Change-Id: I4dbf7ba305a428f3dcf71e71d700a51dac8f7be0
Signed-off-by: Dezhi Huang <huangdezhi@hihonor.com>
This commit is contained in:
Dezhi Huang 2024-05-20 09:57:04 +08:00 committed by Treehugger Robot
parent 5eb138730a
commit 08c63cde8c
3 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/kernel/cpuinfo.c
View File

@ -25,6 +25,8 @@
#include <linux/smp.h>
#include <linux/delay.h>
#include <trace/hooks/cpuinfo.h>
/*
* In case the boot CPU is hotpluggable, we record its initial state and
* current state separately. Certain system registers may contain different
@ -238,6 +240,8 @@ static int c_show(struct seq_file *m, void *v)
seq_printf(m, "CPU revision\t: %d\n\n", MIDR_REVISION(midr));
}
trace_android_rvh_cpuinfo_c_show(m);
return 0;
}

2
drivers/android/vendor_hooks.c
View File

@ -61,6 +61,7 @@
#include <trace/hooks/bug.h>
#include <trace/hooks/softlockup.h>
#include <trace/hooks/power.h>
#include <trace/hooks/cpuinfo.h>
#include <trace/hooks/gzvm.h>
#include <trace/hooks/signal.h>
#include <trace/hooks/logbuf.h>
@ -137,6 +138,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_fast_switch);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_target);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_attach);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_online);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpuinfo_c_show);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_meminfo_cache_adjust);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_si_mem_available_adjust);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_si_meminfo_adjust);

18
include/trace/hooks/cpuinfo.h Normal file
View File

@ -0,0 +1,18 @@
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM cpuinfo
#define TRACE_INCLUDE_PATH trace/hooks
#if !defined(_TRACE_HOOK_CPUINFO_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HOOK_CPUINFO_H
#include <trace/hooks/vendor_hooks.h>
DECLARE_RESTRICTED_HOOK(android_rvh_cpuinfo_c_show,
TP_PROTO(struct seq_file *m),
TP_ARGS(m), 1);
#endif /* _TRACE_HOOK_CPUINFO_H */
/* This part must be outside protection */
#include <trace/define_trace.h>