56c1c1a09a
These are useful for measuring the latency of SBI calls. The SBI HSM extension is excluded because those functions are called from contexts such as cpuidle where instrumentation is not allowed. Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Link: https://lore.kernel.org/r/20240321230131.1838105-1-samuel.holland@sifive.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
55 lines
1.0 KiB
C
55 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM riscv
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#if !defined(_TRACE_RISCV_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_RISCV_H
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#include <linux/tracepoint.h>
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TRACE_EVENT_CONDITION(sbi_call,
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TP_PROTO(int ext, int fid),
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TP_ARGS(ext, fid),
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TP_CONDITION(ext != SBI_EXT_HSM),
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TP_STRUCT__entry(
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__field(int, ext)
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__field(int, fid)
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),
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TP_fast_assign(
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__entry->ext = ext;
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__entry->fid = fid;
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),
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TP_printk("ext=0x%x fid=%d", __entry->ext, __entry->fid)
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);
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TRACE_EVENT_CONDITION(sbi_return,
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TP_PROTO(int ext, long error, long value),
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TP_ARGS(ext, error, value),
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TP_CONDITION(ext != SBI_EXT_HSM),
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TP_STRUCT__entry(
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__field(long, error)
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__field(long, value)
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),
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TP_fast_assign(
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__entry->error = error;
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__entry->value = value;
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),
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TP_printk("error=%ld value=0x%lx", __entry->error, __entry->value)
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);
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#endif /* _TRACE_RISCV_H */
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH asm
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#define TRACE_INCLUDE_FILE trace
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#include <trace/define_trace.h>
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