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Subject[PATCH] perf tools riscv: Fix perf tool build error on riscv
Since the definition of 'struct perf_sample' has been moved to sample.h,
we need to include this header file to fix the build error as follows:

arch/riscv/util/unwind-libdw.c: In function 'libdw__arch_set_initial_registers':
arch/riscv/util/unwind-libdw.c:12:50: error: invalid use of undefined type 'struct perf_sample'
12 | struct regs_dump *user_regs = &ui->sample->user_regs;
| ^~

Fixes: 9823147da6c8 ("perf tools: Move 'struct perf_sample' to a separate header file to disentangle headers")
Signed-off-by: Eric Lin <>
tools/perf/arch/riscv/util/unwind-libdw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/arch/riscv/util/unwind-libdw.c b/tools/perf/arch/riscv/util/unwind-libdw.c
index 19536e172850..54a198714eb8 100644
--- a/tools/perf/arch/riscv/util/unwind-libdw.c
+++ b/tools/perf/arch/riscv/util/unwind-libdw.c
@@ -4,7 +4,7 @@
#include <elfutils/libdwfl.h>
#include "../../util/unwind-libdw.h"
#include "../../util/perf_regs.h"
-#include "../../util/event.h"
+#include "../../util/sample.h"

bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
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