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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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591a6e8588
The basic resctrl file system operations and data are added for future usage by resctrl selftest tool. Signed-off-by: Sai Praneeth Prakhya <sai.praneeth.prakhya@intel.com> Co-developed-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Co-developed-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#define _GNU_SOURCE
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#ifndef RESCTRL_H
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#define RESCTRL_H
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#include <stdio.h>
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#include <errno.h>
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#include <sched.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <signal.h>
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#include <dirent.h>
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#include <stdbool.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/mount.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <asm/unistd.h>
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#include <linux/perf_event.h>
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#define RESCTRL_PATH "/sys/fs/resctrl"
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#define PHYS_ID_PATH "/sys/devices/system/cpu/cpu"
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#define PARENT_EXIT(err_msg) \
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do { \
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perror(err_msg); \
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kill(ppid, SIGKILL); \
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exit(EXIT_FAILURE); \
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} while (0)
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pid_t bm_pid, ppid;
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int remount_resctrlfs(bool mum_resctrlfs);
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int get_resource_id(int cpu_no, int *resource_id);
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int validate_bw_report_request(char *bw_report);
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bool validate_resctrl_feature_request(char *resctrl_val);
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char *fgrep(FILE *inf, const char *str);
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int taskset_benchmark(pid_t bm_pid, int cpu_no);
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void run_benchmark(int signum, siginfo_t *info, void *ucontext);
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int write_schemata(char *ctrlgrp, char *schemata, int cpu_no,
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char *resctrl_val);
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int write_bm_pid_to_resctrl(pid_t bm_pid, char *ctrlgrp, char *mongrp,
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char *resctrl_val);
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int perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu,
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int group_fd, unsigned long flags);
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int run_fill_buf(unsigned long span, int malloc_and_init_memory, int memflush,
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int op, char *resctrl_va);
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#endif /* RESCTRL_H */
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