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Shenoy" , Mark Rutland , Peter Zijlstra , Marc Zyngier , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , Krzysztof Kozlowski , Evan Green , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC V2 PATCH 4/9] riscv: report perf event for misaligned fault Date: Tue, 4 Jul 2023 16:09:19 +0200 Message-Id: <20230704140924.315594-5-cleger@rivosinc.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230704140924.315594-1-cleger@rivosinc.com> References: <20230704140924.315594-1-cleger@rivosinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add missing calls to account for misaligned fault event using perf_sw_event(). Signed-off-by: Cl=C3=A9ment L=C3=A9ger --- arch/riscv/kernel/traps_misaligned.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps= _misaligned.c index 9daed7d756ae..804f6c5e0e44 100644 --- a/arch/riscv/kernel/traps_misaligned.c +++ b/arch/riscv/kernel/traps_misaligned.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include =20 @@ -294,6 +295,8 @@ int handle_misaligned_load(struct pt_regs *regs) unsigned long addr =3D regs->badaddr; int i, fp =3D 0, shift =3D 0, len =3D 0; =20 + perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, regs, addr); + if (get_insn(regs, epc, &insn)) return -1; =20 @@ -382,6 +385,8 @@ int handle_misaligned_store(struct pt_regs *regs) unsigned long addr =3D regs->badaddr; int i, len =3D 0; =20 + perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, regs, addr); + if (get_insn(regs, epc, &insn)) return -1; =20 --=20 2.40.1