Samuel Holland
6d2e957986
BugLink: https://bugs.launchpad.net/bugs/2085849 [ Upstream commit 56c1c1a09ab93c7b7c957860f01f8600d6c03143 ] 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> Stable-dep-of: 1ff95eb2bebd ("riscv: Fix RISCV_ALTERNATIVE_EARLY") Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Manuel Diewald <manuel.diewald@canonical.com> Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.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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