xref: /linux/tools/perf/pmu-events/common_metrics.py (revision c7decec2f2d2ab0366567f9e30c0e1418cece43f)
1*82e53e7aSIan Rogers# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
2*82e53e7aSIan Rogersfrom metric import (d_ratio, Event, Metric, MetricGroup)
3*82e53e7aSIan Rogers
4*82e53e7aSIan Rogers
5*82e53e7aSIan Rogersdef Cycles() -> MetricGroup:
6*82e53e7aSIan Rogers    cyc_k = Event("cpu\\-cycles:kHh")  # exclude user and guest
7*82e53e7aSIan Rogers    cyc_g = Event("cpu\\-cycles:G")   # exclude host
8*82e53e7aSIan Rogers    cyc_u = Event("cpu\\-cycles:uH")  # exclude kernel, hypervisor and guest
9*82e53e7aSIan Rogers    cyc = cyc_k + cyc_g + cyc_u
10*82e53e7aSIan Rogers
11*82e53e7aSIan Rogers    return MetricGroup("lpm_cycles", [
12*82e53e7aSIan Rogers        Metric("lpm_cycles_total", "Total number of cycles", cyc, "cycles"),
13*82e53e7aSIan Rogers        Metric("lpm_cycles_user", "User cycles as a percentage of all cycles",
14*82e53e7aSIan Rogers               d_ratio(cyc_u, cyc), "100%"),
15*82e53e7aSIan Rogers        Metric("lpm_cycles_kernel", "Kernel cycles as a percentage of all cycles",
16*82e53e7aSIan Rogers               d_ratio(cyc_k, cyc), "100%"),
17*82e53e7aSIan Rogers        Metric("lpm_cycles_guest", "Hypervisor guest cycles as a percentage of all cycles",
18*82e53e7aSIan Rogers               d_ratio(cyc_g, cyc), "100%"),
19*82e53e7aSIan Rogers    ], description="cycles breakdown per privilege level (users, kernel, guest)")
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