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[58.152.77.182]) by smtp.gmail.com with ESMTPSA id o12-20020a17090a55cc00b001f506009036sm2766926pjm.49.2022.08.10.23.25.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Aug 2022 23:25:16 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , John Garry , Will Deacon , James Clark , Mike Leach , Kajol Jain , Ali Saidi , Adrian Hunter , "Gustavo A. R. Silva" , Anshuman Khandual , Ian Rogers , Like Xu , German Gomez , Timothy Hayes , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan Subject: [PATCH v6 02/15] perf mem: Print snoop peer flag Date: Thu, 11 Aug 2022 14:24:38 +0800 Message-Id: <20220811062451.435810-3-leo.yan@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220811062451.435810-1-leo.yan@linaro.org> References: <20220811062451.435810-1-leo.yan@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Since PERF_MEM_SNOOPX_PEER flag is a new snoop type, print this flag if it is set. Before: memstress 3603 [020] 122.463754: 1 l1d-miss: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP N/A|TLB Walker hit|LCK No|BL= K N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 l1d-access: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP N/A|TLB Walker hit|LCK No|BL= K N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 llc-miss: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP N/A|TLB Walker hit|LCK No|BL= K N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 llc-access: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP N/A|TLB Walker hit|LCK No|BL= K N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 tlb-access: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP N/A|TLB Walker hit|LCK No|BL= K N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 memory: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP N/A|TLB Walker hit|LCK No|BL= K N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) After: memstress 3603 [020] 122.463754: 1 l1d-miss: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP Peer|TLB Walker hit|LCK No|B= LK N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 l1d-access: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP Peer|TLB Walker hit|LCK No|B= LK N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 llc-miss: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP Peer|TLB Walker hit|LCK No|B= LK N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 llc-access: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP Peer|TLB Walker hit|LCK No|B= LK N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 tlb-access: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP Peer|TLB Walker hit|LCK No|B= LK N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) memstress 3603 [020] 122.463754: 1 memory: = 8688000842 |OP LOAD|LVL L3 or L3 hit|SNP Peer|TLB Walker hit|LCK No|B= LK N/A aaaac17c3e88 [unknown] (/home/ubuntu/memstress) Signed-off-by: Leo Yan Reviewed-by: Ali Saidi Tested-by: Ali Saidi Reviewed-by: Kajol Jain --- tools/perf/util/mem-events.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index c3c21a9c350b..5dca1882c284 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -410,6 +410,11 @@ static const char * const snoop_access[] =3D { "HitM", }; =20 +static const char * const snoopx_access[] =3D { + "Fwd", + "Peer", +}; + int perf_mem__snp_scnprintf(char *out, size_t sz, struct mem_info *mem_inf= o) { size_t i, l =3D 0; @@ -430,13 +435,20 @@ int perf_mem__snp_scnprintf(char *out, size_t sz, str= uct mem_info *mem_info) } l +=3D scnprintf(out + l, sz - l, snoop_access[i]); } - if (mem_info && - (mem_info->data_src.mem_snoopx & PERF_MEM_SNOOPX_FWD)) { + + m =3D 0; + if (mem_info) + m =3D mem_info->data_src.mem_snoopx; + + for (i =3D 0; m && i < ARRAY_SIZE(snoopx_access); i++, m >>=3D 1) { + if (!(m & 0x1)) + continue; + if (l) { strcat(out, " or "); l +=3D 4; } - l +=3D scnprintf(out + l, sz - l, "Fwd"); + l +=3D scnprintf(out + l, sz - l, snoopx_access[i]); } =20 if (*out =3D=3D '\0') --=20 2.34.1