From 8b60fb0fe6e29aac1847c0b381c0f84165b27b61 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Fri, 27 Nov 2020 20:15:17 +0100 Subject: perfmon: new perfmon plugin Type: feature Change-Id: I2c14f82393d11fc05c6d229f5c58603ab5c0f14d Signed-off-by: Damjan Marion --- src/plugins/perfmon/intel/bundle/mem_bw.c | 64 +++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/plugins/perfmon/intel/bundle/mem_bw.c (limited to 'src/plugins/perfmon/intel/bundle/mem_bw.c') diff --git a/src/plugins/perfmon/intel/bundle/mem_bw.c b/src/plugins/perfmon/intel/bundle/mem_bw.c new file mode 100644 index 00000000000..672dbb0677d --- /dev/null +++ b/src/plugins/perfmon/intel/bundle/mem_bw.c @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2020 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include +#include +#include +#include + +static u8 * +format_intel_uncore_imc_bw (u8 *s, va_list *args) +{ + perfmon_reading_t *r = va_arg (*args, perfmon_reading_t *); + int col = va_arg (*args, int); + f64 tr = r->time_running * 1e-9; + + switch (col) + { + case 0: + s = format (s, "%9.2f", tr); + break; + case 1: + if (r->time_running) + s = format (s, "%9.2f", (f64) r->value[0] * 64 * 1e-6 / tr); + break; + case 2: + if (r->time_running) + s = format (s, "%9.2f", (f64) r->value[1] * 64 * 1e-6 / tr); + break; + case 3: + if (r->time_running) + s = format (s, "%9.2f", + (f64) (r->value[0] + r->value[1]) * 64 * 1e-6 / tr); + break; + default: + break; + } + + return s; +} + +PERFMON_REGISTER_BUNDLE (intel_uncore_imc_bw) = { + .name = "memory-bandwidth", + .description = "memory reads and writes per memory controller channel", + .source = "intel-uncore", + .type = PERFMON_BUNDLE_TYPE_SYSTEM, + .events[0] = INTEL_UNCORE_E_IMC_UNC_M_CAS_COUNT_RD, + .events[1] = INTEL_UNCORE_E_IMC_UNC_M_CAS_COUNT_WR, + .n_events = 2, + .format_fn = format_intel_uncore_imc_bw, + .column_headers = PERFMON_STRINGS ("RunTime", "Reads (MB/s)", + "Writes (MB/s)", "Total (MB/s)"), +}; -- cgit 1.2.3-korg