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ANDROID: power: Add vendor hook to qos for GKI purpose.

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Add vendor hooks in add/update/remove frequency QoS request process to
ensure that we can access the OEM's "frequency watchdog" logic for
abnormal frequency monitoring. This is necessary for our power tuning
policy.

Bug: 187458531

Signed-off-by: shenshen mao <maoshenshen@oppo.com>
Change-Id: I1fb8fd6134432ecfb44ad242c66ccd8280ab9b43
Signed-off-by: heshuai1 <heshuai1@xiaomi.com>
This commit is contained in:
heshuai1
2021-06-10 15:46:59 +08:00
committed by Treehugger Robot
parent b4c03a5c24
commit 31e5697c39
3 changed files with 25 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/android/vendor_hooks.c
+4
View File
@@ -6,6 +6,7 @@
* Copyright 2020 Google LLC
*/
#include <linux/iova.h>
#include <linux/pm_qos.h>
#define CREATE_TRACE_POINTS
#include <trace/hooks/vendor_hooks.h>
@@ -144,6 +145,9 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpufreq_transition);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_gic_v3_set_affinity);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_proc_transaction_finish);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sync_txn_recvd);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_qos_add_request);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_qos_update_request);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_qos_remove_request);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_balance_anon_file_reclaim);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_show_max_freq);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_slab_alloc_node);
include/trace/hooks/power.h
+17
View File
@@ -16,6 +16,23 @@ DECLARE_HOOK(android_vh_try_to_freeze_todo_unfrozen,
TP_PROTO(struct task_struct *p),
TP_ARGS(p));
enum freq_qos_req_type;
struct freq_qos_request;
struct freq_constraints;
DECLARE_HOOK(android_vh_freq_qos_add_request,
TP_PROTO(struct freq_constraints *qos, struct freq_qos_request *req,
enum freq_qos_req_type type, int value, int ret),
TP_ARGS(qos, req, type, value, ret));
DECLARE_HOOK(android_vh_freq_qos_update_request,
TP_PROTO(struct freq_qos_request *req, int value),
TP_ARGS(req, value));
DECLARE_HOOK(android_vh_freq_qos_remove_request,
TP_PROTO(struct freq_qos_request *req),
TP_ARGS(req));
#endif /* _TRACE_HOOK_POWER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
kernel/power/qos.c
+4
View File
@@ -38,6 +38,7 @@
#include <linux/uaccess.h>
#include <linux/export.h>
#include <trace/events/power.h>
#include <trace/hooks/power.h>
/*
* locking rule: all changes to constraints or notifiers lists
@@ -556,6 +557,7 @@ int freq_qos_add_request(struct freq_constraints *qos,
req->type = 0;
}
trace_android_vh_freq_qos_add_request(qos, req, type, value, ret);
return ret;
}
EXPORT_SYMBOL_GPL(freq_qos_add_request);
@@ -580,6 +582,7 @@ int freq_qos_update_request(struct freq_qos_request *req, s32 new_value)
"%s() called for unknown object\n", __func__))
return -EINVAL;
trace_android_vh_freq_qos_update_request(req, new_value);
if (req->pnode.prio == new_value)
return 0;
@@ -608,6 +611,7 @@ int freq_qos_remove_request(struct freq_qos_request *req)
"%s() called for unknown object\n", __func__))
return -EINVAL;
trace_android_vh_freq_qos_remove_request(req);
ret = freq_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE);
req->qos = NULL;
req->type = 0;