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AJvYcCWWGV4DMIVJG2aVegWgNT4kjd4RJgHLd58Bf/HGk0aXHumwOTPN7F9nqPGtHaygpIOzEuDJAZ8HNx3uvAOppuoOmIcPLbksO8TG78Bh X-Gm-Message-State: AOJu0YyWxqo4/xboqxNAa37i+Gu6GWtIPMI4aPfTXxOxQ4wx3Y5isWZy msqC0IT2PnqXBAwZVrWPeGLQ4adhymNZpTccCI4pnLUMLIJviY0UTpPqPmyr/ORxA4pOfgb6UXm oAhsEWg== X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:af4b:7fc1:b7be:fcb7]) (user=irogers job=sendgmr) by 2002:a25:aea8:0:b0:dcd:ad52:6932 with SMTP id b40-20020a25aea8000000b00dcdad526932mr551687ybj.5.1709319390095; Fri, 01 Mar 2024 10:56:30 -0800 (PST) Date: Fri, 1 Mar 2024 10:55:46 -0800 In-Reply-To: <20240301185559.2661241-1-irogers@google.com> Message-Id: <20240301185559.2661241-8-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240301185559.2661241-1-irogers@google.com> X-Mailer: git-send-email 2.44.0.278.ge034bb2e1d-goog Subject: [PATCH v2 07/20] perf jevents: Add software prefetch (swpf) metric group for Intel From: Ian Rogers To: Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , John Garry , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Stephane Eranian X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792352892999753540 X-GMAIL-MSGID: 1792352892999753540 Add metrics that breakdown software prefetch instruction use. Signed-off-by: Ian Rogers --- tools/perf/pmu-events/intel_metrics.py | 65 ++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py index 562db0a1df79..6c42c8947652 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -266,12 +266,77 @@ def IntelBr(): description="breakdown of retired branch instructions") +def IntelSwpf() -> Optional[MetricGroup]: + ins = Event("instructions") + try: + s_ld = Event("MEM_INST_RETIRED.ALL_LOADS", "MEM_UOPS_RETIRED.ALL_LOADS") + s_nta = Event("SW_PREFETCH_ACCESS.NTA") + s_t0 = Event("SW_PREFETCH_ACCESS.T0") + s_t1 = Event("SW_PREFETCH_ACCESS.T1_T2") + s_w = Event("SW_PREFETCH_ACCESS.PREFETCHW") + except: + return None + + all_sw = s_nta + s_t0 + s_t1 + s_w + swp_r = d_ratio(all_sw, interval_sec) + ins_r = d_ratio(ins, all_sw) + ld_r = d_ratio(s_ld, all_sw) + + return MetricGroup("swpf", [ + MetricGroup("swpf_totals", [ + Metric("swpf_totals_exec", "Software prefetch instructions per second", + swp_r, "swpf/s"), + Metric("swpf_totals_insn_per_pf", + "Average number of instructions between software prefetches", + ins_r, "insn/swpf"), + Metric("swpf_totals_loads_per_pf", + "Average number of loads between software prefetches", + ld_r, "loads/swpf"), + ]), + MetricGroup("swpf_bkdwn", [ + MetricGroup("swpf_bkdwn_nta", [ + Metric("swpf_bkdwn_nta_per_swpf", + "Software prefetch NTA instructions as a percent of all prefetch instructions", + d_ratio(s_nta, all_sw), "100%"), + Metric("swpf_bkdwn_nta_rate", + "Software prefetch NTA instructions per second", + d_ratio(s_nta, interval_sec), "insn/s"), + ]), + MetricGroup("swpf_bkdwn_t0", [ + Metric("swpf_bkdwn_t0_per_swpf", + "Software prefetch T0 instructions as a percent of all prefetch instructions", + d_ratio(s_t0, all_sw), "100%"), + Metric("swpf_bkdwn_t0_rate", + "Software prefetch T0 instructions per second", + d_ratio(s_t0, interval_sec), "insn/s"), + ]), + MetricGroup("swpf_bkdwn_t1_t2", [ + Metric("swpf_bkdwn_t1_t2_per_swpf", + "Software prefetch T1 or T2 instructions as a percent of all prefetch instructions", + d_ratio(s_t1, all_sw), "100%"), + Metric("swpf_bkdwn_t1_t2_rate", + "Software prefetch T1 or T2 instructions per second", + d_ratio(s_t1, interval_sec), "insn/s"), + ]), + MetricGroup("swpf_bkdwn_w", [ + Metric("swpf_bkdwn_w_per_swpf", + "Software prefetch W instructions as a percent of all prefetch instructions", + d_ratio(s_w, all_sw), "100%"), + Metric("swpf_bkdwn_w_rate", + "Software prefetch W instructions per second", + d_ratio(s_w, interval_sec), "insn/s"), + ]), + ]), + ], description="Sofware prefetch instruction breakdown") + + all_metrics = MetricGroup("", [ Idle(), Rapl(), Smi(), Tsx(), IntelBr(), + IntelSwpf(), ]) if args.metricgroups: