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Diffstat (limited to 'fluent-bit/plugins/in_mem/proc.h')
| -rw-r--r-- | fluent-bit/plugins/in_mem/proc.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/fluent-bit/plugins/in_mem/proc.h b/fluent-bit/plugins/in_mem/proc.h new file mode 100644 index 000000000..79b4c3b81 --- /dev/null +++ b/fluent-bit/plugins/in_mem/proc.h @@ -0,0 +1,68 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ + +/* Fluent Bit + * ========== + * Copyright (C) 2015-2022 The Fluent Bit Authors + * + * 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. + */ + +#ifndef IN_MEM_PROC_H +#define IN_MEM_PROC_H + +#define PROC_PID_SIZE 1024 +#define PROC_STAT_BUF_SIZE 1024 + +/* + * This 'stat' format omits the first two fields, due to the nature + * of sscanf(3) and whitespaces, programs with spaces in the name can + * screw up when scanning the information. + */ +#define PROC_STAT_FORMAT "%c %d %d %d %d %d %u %lu %lu %lu %lu %lu %lu %ld %ld %ld %ld %ld %ld %llu %lu %ld" + +/* Our tast struct to read the /proc/PID/stat values */ +struct proc_task { + int pid; /* %d */ + char comm[256]; /* %s */ + char state; /* %c */ + int ppid; /* %d */ + int pgrp; /* %d */ + int session; /* %d */ + int tty_nr; /* %d */ + int tpgid; /* %d */ + unsigned int flags; /* %u */ + unsigned long minflt; /* %lu */ + unsigned long cminflt; /* %lu */ + unsigned long majflt; /* %lu */ + unsigned long cmajflt; /* %lu */ + unsigned long utime; /* %lu */ + unsigned long stime; /* %lu */ + long cutime; /* %ld */ + long cstime; /* %ld */ + long priority; /* %ld */ + long nice; /* %ld */ + long num_threads; /* %ld */ + long itrealvalue; /* %ld */ + unsigned long long starttime; /* %llu */ + unsigned long vsize; /* %lu */ + long rss; /* %ld */ + + /* Internal conversion */ + long proc_rss; /* bytes = (rss * PAGESIZE) */ + char *proc_rss_hr; /* RSS in human readable format */ +}; + +struct proc_task *proc_stat(pid_t pid, int page_size); +void proc_free(struct proc_task *t); + +#endif |