threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef _GZ_TRACE_MODULE_H_
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#define _GZ_TRACE_MODULE_H_
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#if IS_ENABLED(CONFIG_FTRACE)
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#include <linux/kallsyms.h>
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#include <linux/trace_events.h>
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static noinline void tracing_mark_write(char *fmt, ...)
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{
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struct va_format vaf;
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va_list va;
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va_start(va, fmt);
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vaf.fmt = fmt;
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vaf.va = &va;
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trace_printk("%pV", &vaf);
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va_end(va);
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}
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#define GZ_TRUSTY_TRACE_BEGIN(fmt, args...) do { \
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preempt_disable(); \
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tracing_mark_write( \
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"B|%d|GZT_"fmt"\n", current->tgid, ##args); \
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preempt_enable();\
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} while (0)
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#define GZ_TRUSTY_TRACE_END() do { \
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preempt_disable(); \
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tracing_mark_write("E\n"); \
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preempt_enable(); \
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} while (0)
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#define GZ_TRUSTY_TRACE_CNT(cnt, fmt, args...) do { \
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preempt_disable(); \
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tracing_mark_write( \
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"C|%d|GZT_"fmt"|%d\n", current->tgid, ##args, cnt); \
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preempt_enable();\
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} while (0)
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#define GZ_TRUSTY_ASYNC_TRACE_BEGIN(cookie, fmt, args...) do { \
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preempt_disable(); \
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tracing_mark_write( \
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"S|%d|GZT_"fmt"|%d\n", current->tgid, ##args, cookie); \
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preempt_enable();\
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} while (0)
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#define GZ_TRUSTY_ASYNC_TRACE_END(cookie, fmt, args...) do { \
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preempt_disable(); \
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tracing_mark_write( \
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"F|%d|GZT_"fmt"|%d\n", current->tgid, ##args, cookie); \
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preempt_enable();\
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} while (0)
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#define GZ_TRUSTY_TRACE_INJECTION(fmt, args...) do { \
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preempt_disable(); \
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tracing_mark_write( \
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"GZT|"fmt"\n", ##args); \
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preempt_enable();\
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} while (0)
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/* How to,
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* use for in the same process
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* no need add "\n"
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* you can find time slot in systrace by keyword GZ_XXXX
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* GZ_TRUSTY_TRACE_BEGIN("%s", __func__);
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* GZ_TRUSTY_TRACE_END();
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* use for async case
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* no need add "\n"
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* you can find time slot in systrace by keyword GZ_XXXX
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* GZ_TRUSTY_ASYNC_TRACE_BEGIN(atomic_read(&tctx->kick_cookie), "ToKick");
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* GZ_TRUSTY_ASYNC_TRACE_END(atomic_read(&tctx->kick_cookie), "ToKick");
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* atomic_inc(&tctx->kick_cookie);
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*
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* use for add news
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* can't find info in systrace UI, only find in raw data
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* GZ_TRUSTY_TRACE_CNT(100, "my_std_call32");
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*/
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#else
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#define GZ_TRUSTY_TRACE_BEGIN(fmt, args...) do { \
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} while (0)
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#define GZ_TRUSTY_TRACE_END() do { \
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} while (0)
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#define GZ_TRUSTY_TRACE_CNT(cnt, fmt, args...) do { \
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} while (0)
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#define GZ_TRUSTY_ASYNC_TRACE_BEGIN(cookie, fmt, args...) do { \
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} while (0)
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#define GZ_TRUSTY_ASYNC_TRACE_END(cookie, fmt, args...) do { \
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} while (0)
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#endif /* CONFIG_FTRACE */
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#endif
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