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process_stats.go
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package main
/*
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <dirent.h>
// mod_pid.c
struct stats_pid {
unsigned long long user_cpu;
unsigned long long sys_cpu;
unsigned long long mem;
unsigned long long read_bytes;
unsigned long long write_bytes;
unsigned long long fdcnt;
unsigned long long minflt;
unsigned long long majflt;
unsigned long long thread;
char container_id[64];
};
#define PID_IO "/proc/%u/io"
#define PID_FD "/proc/%u/fd/"
#define PID_STAT "/proc/%u/stat"
#define PID_STATUS "/proc/%u/status"
#define ITEM_SPLIT ";"
#define MAX_PROC_COLLECT (512)
#define SIZE_1K (1<<10)
#define SIZE_128K (128*SIZE_1K)
#define PROC_BUFSIZE SIZE_128K
__thread char *strtok_saveptr = NULL;
static inline char *strtok_safe(char *str, const char *delim)
{
return strtok_r(str, delim, &strtok_saveptr);
}
static inline
char *strcpy_safe(char *dst, const char *src, unsigned int buf_size)
{
strncpy(dst, src, buf_size - 1);
dst[buf_size - 1] = 0;
return dst;
}
int
store_single_pid(char *buf, int pid, struct stats_pid *st_pid, int size)
{
printf("store data to asar\n");
int len = 0;
len = snprintf(buf + len, size, "%.12s_%d=%lld,%lld,%lld,%lld,%lld,%lld,%lld,%lld,%lld" ITEM_SPLIT,
st_pid->container_id,
pid,
st_pid->user_cpu,
st_pid->sys_cpu,
st_pid->mem,
st_pid->thread,
st_pid->read_bytes,
st_pid->write_bytes,
st_pid->fdcnt,
st_pid->minflt,
st_pid->majflt
);
//if (pos < LEN_4096) buf[pos] = '\0';
return len;
}
int get_fd_count(char *root)
{
printf("get_fd_count: root=%s\n", root);
DIR *dir;
struct dirent * ptr;
int total = 0;
dir = opendir(root);
if(dir == NULL) {
return 0;
}
int errno = 0;
while((ptr = readdir(dir)) != NULL) {
if(ptr->d_type == DT_LNK)
total++;
else
continue;
}
if(errno != 0) {
return 0;
}
closedir(dir);
printf("get_fd_count: total=%d\n", total);
return total;
}
static void
read_pid_stats(char *parameter, char* buf)
{
int pid[MAX_PROC_COLLECT], nb = 0, i, pos;
//char buf[PROC_BUFSIZE];
char filename[128], line[256];
FILE *fp;
struct stats_pid st_pid;
printf("get pid by pid name: pid=%s\n", parameter);
if (strlen(parameter) > 200) {
return;
}
char ppp[256];
strcpy(ppp, parameter);
printf("split pidof into array pid\n");
char *p;
p = strtok_safe(ppp, " ");
while (p) {
pid[nb] = atoi(p);
printf("pid: %d\n", pid[nb]);
if (pid[nb++] <= 0) {
return;
}
if (nb >= 16) {
return;
}
p = strtok_safe(NULL, " ");
}
printf("get all pid's info\n");
pos = 0;
for(i = 0; i < nb; ++i) {
printf("read values from /proc/%d/stat\n", pid[i]);
memset(&st_pid, 0, sizeof(st_pid));
#if IN_7U
printf("get_container_id_from_pid: %d \n", pid[i]);
if(get_container_id_from_pid(st_pid.container_id, 64, pid[i]) < 0) {
continue;
}
#else
printf("strcpy_safe container_id\n");
strcpy_safe(st_pid.container_id, "root", 64);
#endif
sprintf(filename, PID_STAT, pid[i]);
printf("filename: %s\n", filename);
if ((fp = fopen(filename, "re")) == NULL) {
printf("!!!! Should do something notify\n");
continue;
}
unsigned long long cpudata[4];
if (fgets(line, 256, fp) == NULL) {
fclose(fp);
continue;
}
if ((p = strstr(line, ")")) == NULL) {
fclose(fp);
continue;
}
printf("line: %s\n", line);
if (sscanf(p, "%*s %*c %*d %*d %*d %*d %*d %*u %llu %*u %llu %*u %llu %llu %llu %llu %*u %*u %llu %*u %*u %*u %llu ",
&st_pid.minflt, &st_pid.majflt, &cpudata[0], &cpudata[1],
&cpudata[2], &cpudata[3], &st_pid.thread, &st_pid.mem) == EOF) {
fclose(fp);
continue;
}
st_pid.user_cpu = cpudata[0] + cpudata[2];
st_pid.sys_cpu += cpudata[1] + cpudata[3];
st_pid.mem = st_pid.mem * 4096;
fclose(fp);
printf("get io info from /proc/%d/io\n", pid[i]);
sprintf(filename, PID_IO, pid[i]);
if ((fp = fopen(filename, "re")) != NULL) {
while (fgets(line, 256, fp) != NULL) {
printf("line: %s", line);
if (!strncmp(line, "read_bytes:", 11))
sscanf(line + 11, "%llu", &st_pid.read_bytes);
else if (!strncmp(line, "write_bytes:", 12))
sscanf(line + 12, "%llu", &st_pid.write_bytes);
}
fclose(fp);
}
sprintf(filename, PID_FD, pid[i]);
st_pid.fdcnt = get_fd_count(filename);
pos += store_single_pid(buf + pos, pid[i], &st_pid, PROC_BUFSIZE - pos);
}
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// mod_cgroup_sched.c
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
//////////////////////////////////////////////////////////////////////
#ifndef _CGROUP_H_
#define _CGROUP_H_
#include <time.h>
int attach_cgroup(const char *subsystem, const char *path);
int detach_cgroup(const char *subsystem);
#ifdef CGROUP_ATTACH
#define DEFINE_INCRON \
int incron = (conf.running_mode == RUN_CRON && cache_active())
#define ENTER_CGROUP_COLLECT(cg_subsys, cg_path, do_fork) \
{ \
int pid, status; \
if(do_fork) { \
if((pid = fork()) < 0){ \
continue; \
} \
if(pid != 0) { \
waitpid(pid, &status, 0); \
if(status != 0) \
ALOG_ERR("collect subsystem: %s path: %s failed\n", cg_subsys, cg_path); \
continue; \
} \
} \
if(attach_cgroup(cg_subsys, cg_path) < 0) { \
if((do_fork)) \
exit(-1); \
else \
continue; \
} \
}
#define EXIT_CGROUP_COLLECT(cg_subsys) \
{ \
if(detach_cgroup(cg_subsys) < 0) \
exit(-1); \
}
#define ABORT_THIS_CGROUP_COLLECT(do_fork, cg_subsys) \
if(do_fork){ \
exit(-1); \
} else { \
if(detach_cgroup(cg_subsys) < 0) \
exit(-1); \
continue; \
}
#define FINISH_CGROUP_COLLECT(_mod, _buf, do_fork, n_bytes) \
if((do_fork)) { \
if((n_bytes) > 0) { \
set_mod_record_v2((_mod), (_buf), 1); \
} \
exit(0); \
}
#else
#define DEFINE_INCRON \
int incron = 0; \
(void)incron;
#define ENTER_CGROUP_COLLECT(cg_subsys, cg_path, do_fork)
#define ABORT_THIS_CGROUP_COLLECT(do_fork, cg_subsys) \
continue
#define EXIT_CGROUP_COLLECT(cg_subsys)
#define FINISH_CGROUP_COLLECT(_mod, _buf, do_fork, n_bytes)
#endif
enum cgpath_type {
CG_CPUACCT = 0,
CG_CPUSET,
CG_CPU,
CG_MEM,
CG_BLKIO,
CG_FREEZER,
CG_PIDS,
CG_MAX
};
#define N_CGROUP_DATA_SIZE (40)
struct cgroup_data {
uint64_t data[N_CGROUP_DATA_SIZE];
time_t timestamp;
void *priv;
};
static inline uint64_t
get_cgdata(struct cgroup_data *ca, int idx)
{
return ca->data[idx];
}
static inline uint64_t
get_cgdata_diff(struct cgroup_data *ca1, struct cgroup_data *ca2, int idx)
{
return ca1->data[idx] > ca2->data[idx] ? ca1->data[idx] - ca2->data[idx] : 0UL;
}
int
get_cgcpu_data(struct cgroup_data *ca, char *cgpath[CG_MAX]);
enum e_cpu_stat {
// CPUACCT.PROC_STAT || CPUACCT.STAT
CPU_USER = 0,
CPU_NICE,
CPU_SYS,
CPU_IDLE,
CPU_IOWAIT,
CPU_IRQ,
CPU_SOFTIRQ,
CPU_STEAL,
CPU_GUEST,
CPU_LOAD1,
CPU_LOAD5,
CPU_LOAD15,
CPU_RLOAD1,
CPU_RLOAD5,
CPU_RLOAD15,
CPU_NR_RTSK,
CPU_NR_DTSK,
CPU_SWITCHS,
CPU_VSWITCHS,
CPU_ISWITCHS,
CPU_MIGRATIONS,
// CPU.QUOTA
CPU_QUOTA,
// CPU.PERIOD
CPU_PERIOD,
// CPU.SHARES
CPU_SHARES,
// CPUSET.CPUS
CPU_NCPU,
// NOT COLLECT FROM CPU CGROUP, FROM PIDS & FREEZER
CPU_NR_TSK,
// COLLECT FROM NAMESPACE ONLY
CPU_NR_NEWTSK,
};
enum e_mem_stat {
// MEMORY.STAT
MEM_memory_limit = 0,
MEM_memsw_limit,
MEM_cache,
MEM_rss,
MEM_rss_huge,
MEM_mapped_file,
MEM_dirty,
MEM_writeback,
MEM_swap,
MEM_workingset_refault,
MEM_workingset_activate,
MEM_workingset_restore,
MEM_pgpgin,
MEM_pgpgout,
MEM_pgfault,
MEM_pgmajfault,
MEM_pgoutrun,
MEM_allocstall,
MEM_kswapd_steal,
MEM_pg_pgsteal,
MEM_kswapd_pgscan,
MEM_pg_pgscan,
MEM_pgrefill,
MEM_inactive_anon,
MEM_active_anon,
MEM_inactive_file,
MEM_active_file,
MEM_unevictable,
// MEMORY.KMEM.USAGE_IN_BYTES
MEM_KMEM,
// MEMORY.FAILNO
MEMORY_FAILNO,
MEMSW_FAILNO,
MEMSW_LIMIT,
MEMSW_SWAPPINESS,
};
int
get_cgmem_data(struct cgroup_data *ca, char *cgpath[CG_MAX]);
#endif
//////////////////////////////////////////////////////////////////////
#define MAX_GROUP 64
#define MAX_TASK 1024
#define MAX_NAME_LENGTH 128
#define CFS_STATICS "cpuacct.sched_cfs_statistics"
//#define CFS_HISTGRAM "cpuacct.sched_lat_histgram_cfs"
//#define CFS_HISTGRAM_ENABLE "cpuacct.sched_lat_histgram_enable"
#define MAX_NUM_OF_CONTAINERS 48
#define DATA_FORMAT "%.12s=%lu,%lu,%lu,%lu,%lu,%lu,%lu,%lu,%lu,%lu,%lu,%lu,%lu,%lu,%lu,0,0,0,0;"
#define ISDOT(a) (a[0] == '.' && (!a[1] || (a[1] == '.' && !a[2])))
#define MAX_PHY_DEVICES (32)
#define CG_PER_RECORD_SIZE (512) // 32 + 20 * 20 (64 bit number long)
#define MAX_CONTAINER_COLLECT (512)
#define CG_BUFSIZE (MAX_CONTAINER_COLLECT * CG_PER_RECORD_SIZE * MAX_PHY_DEVICES)
#define MAX_CGPATH_LEN (4096)
#define TABLE_SIZE (512)
struct st_cg_sched {
uint64_t tasks_delay_ms[12];
uint64_t bvt_delay;
uint64_t noise_kick_delay;
uint64_t loss_time;
char container_id[64];
};
int
split_string(char *s, char *result[], unsigned int n_result, char c)
{
unsigned int n = 0;
char *p = s, *start = s;
while(*p){
if(*p == c){
*p = 0;
result[n++] = start;
if(n == n_result){
break;
}
start = p + 1;
}
p++;
}
// last
if(*start && n != n_result){
result[n++] = start;
}
return n;
}
int
get_cgroup_path_from_pid(char *path, unsigned int size, unsigned int pid, const char *type)
{
#define PROC_CGPATH "/proc/%u/cgroup"
FILE *fp;
char line[MAX_CGPATH_LEN + 128], filename[128], *result[64];
int ns;
sprintf(filename, PROC_CGPATH, pid);
printf("filename: %s\n", filename);
if ((fp = fopen(filename, "re")) == NULL)
return -1;
while (fgets(line, sizeof(line) - 1, fp) != NULL){
printf("[line] %s", line);
ns = split_string(line, result, 64, ':');
if(ns != 3)
continue;
if(strstr(result[1], type) != NULL){
strcpy_safe(path, result[2], size);
goto found;
}
}
fclose(fp);
return -1;
found:
printf("clear \\n at end\n");
ns = strlen(path) - 1;
while(path[ns] == '\n' && ns >= 0){
path[ns--] = 0;
}
fclose(fp);
return 0;
}
int
get_container_id_from_pid(char *id, unsigned int size, unsigned int pid)
{
char buf[MAX_CGPATH_LEN];
char *result[64];
int n_s, r;
r = get_cgroup_path_from_pid(buf, MAX_CGPATH_LEN, pid, "freezer");
if (r < 0)
return -1;
if (buf[0] == '/' && buf[1] == 0){
// root cpuacct
strcpy_safe(id, "root", size);
return 1;
}
n_s = split_string(buf, result, 64, '/');
strcpy_safe(id, result[n_s - 1], size);
return 0;
}
static void
read_cgroup_sched_stats(char *parameter, char *buf)
{
char *wp;
char path[256], line[1024];
char cgroup_path[128];
FILE *fp;
int pid[MAX_NUM_OF_CONTAINERS];
struct st_cg_sched st_cgsched;
int n, i, r, kv;
//char buf[CG_BUFSIZE];
DEFINE_INCRON;
//kv = kernel_version();
kv = 409;
//n = get_container_pids(pid, MAX_NUM_OF_CONTAINERS);
n = 1;
pid[0]=68206;
wp = buf;
for(i = 0; i < n; ++i) {
r = get_cgroup_path_from_pid(cgroup_path, 128, pid[i], "cpuacct");
if(r < 0) {
continue;
}
printf("cgroup_path=%s pid=%d\n", cgroup_path, pid[i]);
if(kv == 409) {
snprintf(path, 256, "/sys/fs/cgroup/cpu%s/" CFS_STATICS, cgroup_path);
printf("path: %s\n", path);
sprintf(path, "/tmp/cpuacct.sched_cfs_statistics"); //for test
printf("path: %s\n", path);
if(access(path, R_OK) != 0) {
continue;
}
}
printf("ENTER_CGROUP_COLLECT cpu: cgroup_path=%s incron=%d\n", cgroup_path, incron );
ENTER_CGROUP_COLLECT("cpu", cgroup_path, incron);
memset(&st_cgsched, 0, sizeof(struct st_cg_sched));
if(get_container_id_from_pid(st_cgsched.container_id, 64, pid[i]) < 0){
ABORT_THIS_CGROUP_COLLECT(incron, "cpu");
}
printf("open path: %s\n", path);
fp = fopen(path, "r");
if(fp == NULL) {
ABORT_THIS_CGROUP_COLLECT(incron, "cpu");
}
r = 0;
if(kv == 409) {
while(fgets(line, 1024, fp) != NULL) {
r++;
printf("[line %d] %s", r, line);
if(r == 2) {
sscanf(line, "%lu %lu %lu %*u",
&st_cgsched.bvt_delay,
&st_cgsched.noise_kick_delay,
&st_cgsched.loss_time);
} else if(r == 4) {
sscanf(line, "%lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu",
&st_cgsched.tasks_delay_ms[0],
&st_cgsched.tasks_delay_ms[1],
&st_cgsched.tasks_delay_ms[2],
&st_cgsched.tasks_delay_ms[3],
&st_cgsched.tasks_delay_ms[4],
&st_cgsched.tasks_delay_ms[5],
&st_cgsched.tasks_delay_ms[6],
&st_cgsched.tasks_delay_ms[7],
&st_cgsched.tasks_delay_ms[8],
&st_cgsched.tasks_delay_ms[9],
&st_cgsched.tasks_delay_ms[10],
&st_cgsched.tasks_delay_ms[11]);
break;
}
}
}
fclose(fp);
printf("EXIT_CGROUP_COLLECT cpu\n");
EXIT_CGROUP_COLLECT("cpu");
printf("write data\n");
r = snprintf(wp, CG_BUFSIZE - (wp - buf), DATA_FORMAT,
st_cgsched.container_id,
st_cgsched.tasks_delay_ms[0],
st_cgsched.tasks_delay_ms[1],
st_cgsched.tasks_delay_ms[2],
st_cgsched.tasks_delay_ms[3],
st_cgsched.tasks_delay_ms[4],
st_cgsched.tasks_delay_ms[5],
st_cgsched.tasks_delay_ms[6],
st_cgsched.tasks_delay_ms[7],
st_cgsched.tasks_delay_ms[8],
st_cgsched.tasks_delay_ms[9],
st_cgsched.tasks_delay_ms[10],
st_cgsched.tasks_delay_ms[11],
st_cgsched.bvt_delay,
st_cgsched.noise_kick_delay,
st_cgsched.loss_time);
printf("FINISH_CGROUP_COLLECT\n");
FINISH_CGROUP_COLLECT(mod, buf, incron, r);
if(r + wp >= buf + CG_BUFSIZE){
break;
}
wp += r;
}
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// mod_proc_cpu.c
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
struct stats_proc_cpu {
unsigned long long user_cpu;
unsigned long long sys_cpu;
unsigned long long blkio_delay;
unsigned long long run_on_cpu;
unsigned long long wait_on_rq;
unsigned long long n_threads;
char container_id[64];
};
#define PID_STAT "/proc/%u/stat"
#define PID_STATUS "/proc/%u/status"
#define PID_SCHEDSTAT "/proc/%u/schedstat"
#define PROC_CGROUP "/proc/%u/cgroup"
#define MAX_PIDS 64
#define STATS_PROC_SIZE (sizeof(struct stats_proc_cpu))
#define MAX_PROC_COLLECT (512)
#define STARTSWITH(str, subs) (!strncmp(str, subs, sizeof(subs) - 1))
#define PASS_STRING(str, subs) (str + sizeof(subs) - 1)
#define SIZE_1K (1<<10)
#define SIZE_128K (128*SIZE_1K)
#define PROC_BUFSIZE SIZE_128K
static inline uint64_t to_u64(const char *s)
{
uint64_t n = 0;
while(*s){
n = n * 10 + *s - '0';
s++;
}
return n;
}
static void
read_proc_cpu_stats(char *parameter, char *buf)
{
int nb = 0, pid[MAX_PROC_COLLECT];
int i, n_s;
int ncpu;
//char buf[PROC_BUFSIZE];
char *result[64];
char filename[128], line[1024];
FILE *fp;
struct stats_proc_cpu st_proc;
unsigned long long total_time = 0;
int pos = 0;
char *wp;
char new_parameter[256] = {0};
strcpy(new_parameter, parameter);
if (strlen(new_parameter) > 200 || new_parameter[0] == '\0') {
return;
}
char *p;
p = strtok_safe(new_parameter, " ");
while(p) {
pid[nb] = atoi(p);
if(pid[nb++] < 0){
return;
}
if(nb >= MAX_PIDS){
return;
}
p = strtok_safe(NULL, " ");
}
printf("read /proc/stat\n");
if ((fp = fopen("/proc/stat", "re")) == NULL){
return;
}
unsigned long long cpu_time[10];
bzero(cpu_time, sizeof(cpu_time));
if (fscanf(fp, "%*s %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu",
&cpu_time[0], &cpu_time[1], &cpu_time[2], &cpu_time[3],
&cpu_time[4], &cpu_time[5], &cpu_time[6], &cpu_time[7],
&cpu_time[8], &cpu_time[9]) == EOF) {
fclose(fp);
return;
}
fclose(fp);
for (i = 0; i < 10; i++) {
total_time += cpu_time[i];
}
if ((fp = fopen("/proc/stat", "re")) == NULL) {
return;
}
ncpu = 0;
while(fgets(line, 1024, fp) != NULL) {
printf("line: %s", line);
if(STARTSWITH(line, "cpu")) {
ncpu++;
} else {
break;
}
}
fclose(fp);
if(ncpu > 1) {
total_time /= (ncpu - 1);
}
printf("get all pid's info\n");
wp = buf;
for (i = 0; i < nb; ++i){
printf("read values from /proc/pid/stat\n");
memset(st_proc.container_id, 0, sizeof(st_proc));
printf("get container_id\n");
#if IN_7U
if(get_container_id_from_pid(st_proc.container_id, 64, pid[i]) < 0) {
continue;
}
#else
strcpy_safe(st_proc.container_id, "root", 64);
#endif
sprintf(filename, PID_STAT, pid[i]);
if ((fp = fopen(filename, "re")) == NULL) {
continue;
}
if (fgets(line, 1024, fp) == NULL) {
fclose(fp);
return;
}
n_s = split_string(line, result, 64, ' ');
if(n_s < 42){
fclose(fp);
return;
}
st_proc.user_cpu = to_u64(result[13]) + to_u64(result[15]);
st_proc.sys_cpu = to_u64(result[14]) + to_u64(result[16]);
st_proc.blkio_delay = to_u64(result[41]);
fclose(fp);
printf("get number of threads\n");
sprintf(filename, PID_STATUS, pid[i]);
if ((fp = fopen(filename, "re")) == NULL){
continue;
}
while(fgets(line, 128, fp) != NULL){
if(STARTSWITH(line, "Threads:")){
sscanf(PASS_STRING(line, "Threads:"), "%llu", &st_proc.n_threads);
break;
}
}
fclose(fp);
printf("get run on rq & wait on rq\n");
sprintf(filename, PID_SCHEDSTAT, pid[i]);
if ((fp = fopen(filename, "re")) == NULL)
continue;
unsigned long long oncpu, wait_on_rq;
if(fscanf(fp, "%llu %llu %*u", &oncpu, &wait_on_rq) == EOF){
fclose(fp);
return;
}
st_proc.run_on_cpu = oncpu;
st_proc.wait_on_rq = wait_on_rq;
fclose(fp);
pos = snprintf(wp, PROC_BUFSIZE - (wp - buf + 1), "%.12s_%u=%llu,%llu,%llu,%llu,%llu,%llu,%llu;",
st_proc.container_id,
pid[i],
st_proc.user_cpu,
st_proc.sys_cpu,
total_time,
st_proc.blkio_delay,
st_proc.run_on_cpu,
st_proc.wait_on_rq,
st_proc.n_threads
);
if (wp + pos - buf >= PROC_BUFSIZE){
break;
}
wp += pos;
}
if (wp - buf < PROC_BUFSIZE) *wp = '\0';
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// mod_proc_io.c
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#define PROC_IO_STATUS "/proc/%u/io"
#define PROC_STAT "/proc/%u/stat"
#define MAX_PIDS 64
#define MAX_PROC_COLLECT (512)
#define SIZE_1K (1<<10)
#define SIZE_128K (128*SIZE_1K)
#define PROC_BUFSIZE SIZE_128K
#define ITEM_SPLIT ";"
struct stats_proc_io {
unsigned long long rchar;
unsigned long long wchar;
unsigned long long rbytes;
unsigned long long wbytes;
unsigned long long iolat;
unsigned long long syscr;
unsigned long long syscw;
char container_id[64];
};
static void
read_proc_io_stats(char *parameter, char *buf)
{
int npids, pid[MAX_PROC_COLLECT];
int i, n;
char filename[128], line[1024], *result[64];
//static char buf[PROC_BUFSIZE];
FILE *fp;
char *wp;
struct stats_proc_io st_io;
char new_parameter[256] = {0};
strcpy(new_parameter, parameter);
if (strlen(new_parameter) > 200 || new_parameter[0] == '\0') {
return;
}
char *p;
p = strtok_safe(new_parameter, " ");
npids = 0;
while(p) {
pid[npids] = atoi(p);
if(pid[npids++] < 0){
return;
}
if(npids >= MAX_PIDS){
return;
}
p = strtok_safe(NULL, " ");
}
printf("get all pid's info\n");
wp = buf;
for(i = 0; i < npids; ++i){
memset(&st_io, 0, sizeof(st_io));
#if IN_7U
if(get_container_id_from_pid(st_io.container_id, 64, pid[i]) < 0) {
continue;
}
#else
strcpy_safe(st_io.container_id, "root", 64);
#endif
printf("collect data\n");
sprintf(filename, PROC_IO_STATUS, pid[i]);
if ((fp = fopen(filename, "re")) == NULL)
continue;
while(fgets(line, 128, fp) != NULL){
if(!strncmp(line, "rchar:", sizeof("rchar:") - 1)){
sscanf(line + sizeof("rchar:") - 1, "%llu", &st_io.rchar);
} else if(!strncmp(line, "wchar:", sizeof("wchar:") - 1)){
sscanf(line + sizeof("wchar:") - 1, "%llu", &st_io.wchar);
} else if(!strncmp(line, "syscr:", sizeof("syscr:") - 1)){
sscanf(line + sizeof("syscr:") - 1, "%llu", &st_io.syscr);
} else if(!strncmp(line, "syscw:", sizeof("syscw:") - 1)){
sscanf(line + sizeof("syscw:") - 1, "%llu", &st_io.syscw);
} else if(!strncmp(line, "read_bytes:", sizeof("read_bytes:") - 1)){
sscanf(line + sizeof("read_bytes:") - 1, "%llu", &st_io.rbytes);
} else if(!strncmp(line, "write_bytes:", sizeof("write_bytes:") - 1)){
sscanf(line + sizeof("write_bytes:") - 1, "%llu", &st_io.wbytes);
}
}
fclose(fp);
sprintf(filename, PROC_STAT, pid[i]);
if ((fp = fopen(filename, "re")) == NULL) {
continue;
}
if (fgets(line, 1024, fp) == NULL) {
fclose(fp);
continue;
}
n = split_string(line, result, 64, ' ');
if(n < 43){
fclose(fp);
// error
return;
}
st_io.iolat = strtoull(result[41], NULL, 0);
fclose(fp);
n = snprintf(wp, PROC_BUFSIZE - (wp - buf + 1),
"%.12s_%u=%llu,%llu,%llu,%llu,%llu,%llu,%llu" ITEM_SPLIT,
st_io.container_id,
pid[i],
st_io.rchar,
st_io.wchar,
st_io.rbytes,
st_io.wbytes,
st_io.iolat,
st_io.syscr,
st_io.syscw);
if(wp + n - buf >= PROC_BUFSIZE){
break;
}
wp += n;
}
if((wp - buf) < PROC_BUFSIZE) *wp = 0;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//mod_proc_mem.c
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#define PROC_MEM_STATUS "/proc/%u/status"
#define GLOBAL_MEMINFO "/proc/meminfo"
#define PROC_SMAPS "/proc/%u/smaps"
#define MAX_PIDS 64
#define MAX_PROC_COLLECT (512)
#define SIZE_1K (1<<10)
#define SIZE_128K (128*SIZE_1K)
#define PROC_BUFSIZE SIZE_128K
#define STARTSWITH(str, subs) (!strncmp(str, subs, sizeof(subs) - 1))
#define PASS_STRING(str, subs) (str + sizeof(subs) - 1)
struct stats_proc_mem {
unsigned long long usage;
unsigned long long cache;
unsigned long long anon;
unsigned long long shmem;
unsigned long long lock;
unsigned long long swp;
unsigned long long total_swp;
char container_id[64];
};
static void
read_proc_mem_stats(char *parameter, char *buf)
{
int npids, pid[MAX_PROC_COLLECT];
int i, kernel_4_9 = 0;
char filename[128], line[128];
//static char buf[PROC_BUFSIZE];
FILE *fp;
struct stats_proc_mem st_mem;
char *wp;