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After the split of enum functions into virenum.h, this function does not contain anything worth including in another header file. Signed-off-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
84 lines
3.5 KiB
C
84 lines
3.5 KiB
C
/*
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* virperf.h: methods for managing perf events
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "virenum.h"
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/* Some Intel processor families introduced some RDT (Resource Director
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* Technology) features to monitor or control shared resource based on
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* the perf framework in the linux kernel. */
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typedef enum {
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VIR_PERF_EVENT_CMT, /* Cache Monitoring Technology */
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VIR_PERF_EVENT_MBMT, /* Memory Bandwidth Monitoring Total */
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VIR_PERF_EVENT_MBML, /* Memory Bandwidth Monitor Limit for controller */
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VIR_PERF_EVENT_CPU_CYCLES, /* Count of CPU Cycles (total/elapsed) */
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VIR_PERF_EVENT_INSTRUCTIONS, /* Count of instructions for application */
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VIR_PERF_EVENT_CACHE_REFERENCES, /* Cache hits by applications */
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VIR_PERF_EVENT_CACHE_MISSES, /* Cache misses by applications */
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VIR_PERF_EVENT_BRANCH_INSTRUCTIONS, /* Count of branch instructions
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for applications */
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VIR_PERF_EVENT_BRANCH_MISSES, /* Count of branch misses for applications */
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VIR_PERF_EVENT_BUS_CYCLES, /* Count of bus cycles for applications */
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VIR_PERF_EVENT_STALLED_CYCLES_FRONTEND, /* Count of stalled cpu cycles in
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the frontend of the instruction
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processor pipeline */
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VIR_PERF_EVENT_STALLED_CYCLES_BACKEND, /* Count of stalled cpu cycles in
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the backend of the instruction
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processor pipeline */
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VIR_PERF_EVENT_REF_CPU_CYCLES, /* Count of ref cpu cycles */
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VIR_PERF_EVENT_CPU_CLOCK, /* Count of cpu clock time */
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VIR_PERF_EVENT_TASK_CLOCK, /* Count of task clock time */
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VIR_PERF_EVENT_PAGE_FAULTS, /* Count of total page faults */
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VIR_PERF_EVENT_CONTEXT_SWITCHES, /* Count of context switches */
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VIR_PERF_EVENT_CPU_MIGRATIONS, /* Count of cpu migrations */
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VIR_PERF_EVENT_PAGE_FAULTS_MIN, /* Count of minor page faults */
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VIR_PERF_EVENT_PAGE_FAULTS_MAJ, /* Count of major page faults */
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VIR_PERF_EVENT_ALIGNMENT_FAULTS, /* Count of alignment faults */
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VIR_PERF_EVENT_EMULATION_FAULTS, /* Count of emulation faults */
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VIR_PERF_EVENT_LAST
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} virPerfEventType;
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VIR_ENUM_DECL(virPerfEvent);
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struct _virPerf;
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typedef struct _virPerf virPerf;
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typedef virPerf *virPerfPtr;
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virPerfPtr virPerfNew(void);
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void virPerfFree(virPerfPtr perf);
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int virPerfEventEnable(virPerfPtr perf,
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virPerfEventType type,
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pid_t pid);
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int virPerfEventDisable(virPerfPtr perf,
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virPerfEventType type);
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bool virPerfEventIsEnabled(virPerfPtr perf,
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virPerfEventType type);
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int virPerfReadEvent(virPerfPtr perf,
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virPerfEventType type,
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uint64_t *value);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(virPerf, virPerfFree);
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