mirror of https://github.com/xzeldon/htop.git
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
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/* Do not edit this file. It was automatically generated. */
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#ifndef HEADER_PerfCounter
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#define HEADER_PerfCounter
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/*
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* This file is based on tiptop.
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* by Erven ROHOU
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* Copyright (c) 2011, 2012, 2014 Inria
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* License: GNU General Public License version 2.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <asm/unistd.h>
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#include <inttypes.h>
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#include <stdbool.h>
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// The sys_perf_counter_open syscall and header files changed names
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// between Linux 2.6.31 and 2.6.32. Do the mangling here.
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#ifdef HAVE_LINUX_PERF_COUNTER_H
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#include <linux/perf_counter.h>
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#define STRUCT_NAME perf_counter_attr
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#define SYSCALL_NUM __NR_perf_counter_open
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#elif HAVE_LINUX_PERF_EVENT_H
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#include <linux/perf_event.h>
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#define STRUCT_NAME perf_event_attr
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#define SYSCALL_NUM __NR_perf_event_open
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#else
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#error Sorry, performance counters not supported on this system.
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#endif
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typedef struct PerfCounter_ {
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struct STRUCT_NAME events;
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pid_t pid;
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int fd;
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uint64_t prevValue;
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uint64_t value;
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} PerfCounter;
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#define PerfCounter_delta(pc_) ((pc_)->value - (pc_)->prevValue)
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extern int PerfCounter_openFds;
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PerfCounter* PerfCounter_new(pid_t pid, uint32_t type, uint64_t config);
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void PerfCounter_delete(PerfCounter* this);
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bool PerfCounter_read(PerfCounter* this);
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#endif
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