int main(int argc, char *argv[])
{
malloc_perf();
free_perf();
return 0;
}
int snmptop(int argc, char **argv)
{
netsnmp_session session, *ss;
int arg;
struct hrSWRunTable *oproc;
int ocount = 0;
int show_idle = 1;
int show_os = 1;
char ch;
struct cpuStats oldCpu;
struct memStats mem;
int has_cpu, has_mem;
/*
* get the common command line arguments
*/
switch (arg = snmp_parse_args(argc, argv, &session, "C:", optProc)) {
case NETSNMP_PARSE_ARGS_ERROR:
exit(1);
case NETSNMP_PARSE_ARGS_SUCCESS_EXIT:
exit(0);
case NETSNMP_PARSE_ARGS_ERROR_USAGE:
usage();
exit(1);
default:
break;
}
if (arg != argc) {
fprintf(stderr, "snmptop: extra argument: %s\n", argv[arg]);
exit(1);
}
SOCK_STARTUP;
/*
* Open an SNMP session.
*/
ss = snmp_open(&session);
if (ss == NULL) {
/*
* diagnose snmp_open errors with the input netsnmp_session pointer
*/
snmp_sess_perror("snmptop", &session);
SOCK_CLEANUP;
exit(1);
}
ocount = collect_perf(ss, &oproc);
if (ocount == 0) {
fprintf(stderr, "snmptop: no processes found\n");
exit(1);
}
collect_cpu(ss, &oldCpu);
signal(SIGINT, endtop);
initscr();
cbreak();
noecho();
nonl();
halfdelay(50);
while ((ch = getch()) != 'q') {
int ncount;
struct hrSWRunTable *nproc;
int oinx = 0, ninx = 0, line = 0;
netsnmp_pdu *pdu;
netsnmp_pdu *response = NULL;
int status;
time_t clock;
struct tm *ptm;
char uptime[40];
char timestr[40];
char b1[15], b2[15], b3[15], b4[15];
struct cpuStats newCpu;
if (ch == 'c' || ch == 'm' || ch == 'n' || ch == 't') topsort = ch;
if (ch == 'i') show_idle = !show_idle;
if (ch == 'o') show_os = !show_os;
if (ch == 'a') command_args = !command_args;
if (ch == 'p') command_path = !command_path;
ncount = collect_perf(ss, &nproc);
while (oinx < ocount && ninx < ncount) {
if (oproc[oinx].hrSWRunIndex == nproc[ninx].hrSWRunIndex) {
nproc[ninx].hrSWRunPerfCPUInc = nproc[ninx].hrSWRunPerfCPU-oproc[oinx].hrSWRunPerfCPU;
ninx++;
oinx++;
}
else if (nproc[oinx].hrSWRunIndex < oproc[ninx].hrSWRunIndex)
oinx++;
else {
nproc[ninx].hrSWRunPerfCPUInc = nproc[ninx].hrSWRunPerfCPU;
ninx++;
}
}
while (ninx < ncount) {
nproc[ninx].hrSWRunPerfCPUInc = nproc[ninx].hrSWRunPerfCPU;
ninx++;
}
switch (topsort) {
case 'c':
qsort(nproc, ncount, sizeof(nproc[0]), cpucomp);
break;
case 'm':
qsort(nproc, ncount, sizeof(nproc[0]), memcomp);
break;
case 't':
qsort(nproc, ncount, sizeof(nproc[0]), totcomp);
break;
}
has_cpu = collect_cpu(ss, &newCpu);
has_mem = collect_mem(ss, &mem);
pdu = snmp_pdu_create(SNMP_MSG_GET);
add(pdu, "HOST-RESOURCES-MIB:hrSystemUptime.0", NULL, 0);
status = snmp_synch_response(ss, pdu, &response);
if (status != STAT_SUCCESS || !response ||
response->errstat != SNMP_ERR_NOERROR) {
uptime[0] = '\0';
}
else {
netsnmp_variable_list *vlp = response->variables;
if (vlp->type == SNMP_NOSUCHINSTANCE) abort();
uptime_string_n(*vlp->val.integer, uptime, sizeof(uptime));
}
snmp_free_pdu(response);
clock = time(NULL);
ptm = localtime(&clock);
strftime(timestr, sizeof(timestr), "%H:%M:%S", ptm);
clear();
move(0, 0);
printw("%s %s%s", session.peername, uptime[0] ? "up " : "", uptime);
move(0, COLS-strlen(timestr)-1);
printw("%s", timestr);
if (has_cpu) {
struct cpuStats deltaCpu;
u_long sumCpu;
deltaCpu.user = newCpu.user - oldCpu.user;
deltaCpu.nice = newCpu.nice - oldCpu.nice;
deltaCpu.system = newCpu.system - oldCpu.system;
deltaCpu.idle = newCpu.idle - oldCpu.idle;
deltaCpu.wait = newCpu.wait - oldCpu.wait;
deltaCpu.kernel = newCpu.kernel - oldCpu.kernel;
deltaCpu.intr = newCpu.intr - oldCpu.intr;
deltaCpu.softintr = newCpu.softintr - oldCpu.softintr;
deltaCpu.steal = newCpu.steal - oldCpu.steal;
deltaCpu.guest = newCpu.guest - oldCpu.guest;
deltaCpu.guestnice = newCpu.guestnice - oldCpu.guestnice;
oldCpu = newCpu;
sumCpu = deltaCpu.user + deltaCpu.nice
+ deltaCpu.system + deltaCpu.idle
+ deltaCpu.wait + deltaCpu.kernel + deltaCpu.steal
+ deltaCpu.intr + deltaCpu.softintr
+ deltaCpu.guest + deltaCpu.guestnice;
printw("\nCPU%%: %4.1fUs %4.1fSy %4.1fId %3.1fWa %3.1fNi %3.1fKe %3.1fHi %3.1fSi %3.1fSt %3.1fGu %3.1fGN",
(float)deltaCpu.user*100/sumCpu,
(float)deltaCpu.system*100/sumCpu,
(float)deltaCpu.idle*100/sumCpu,
(float)deltaCpu.wait*100/sumCpu,
(float)deltaCpu.nice*100/sumCpu,
(float)deltaCpu.kernel*100/sumCpu,
(float)deltaCpu.intr*100/sumCpu,
(float)deltaCpu.softintr*100/sumCpu,
(float)deltaCpu.steal*100/sumCpu,
(float)deltaCpu.guest*100/sumCpu,
(float)deltaCpu.guestnice*100/sumCpu);
line++;
}
if (has_mem) {
printw("\nMem: %10s Total %10s Used %10s Free %10s Buffer",
format_humanmem(b1, sizeof b1, mem.totalReal),
format_humanmem(b2, sizeof b2, mem.totalReal-mem.availReal),
format_humanmem(b3, sizeof b3, mem.availReal),
format_humanmem(b4, sizeof b4, mem.buffer));
line++;
printw("\nSwap: %10s Total %10s Used %10s Free %10s Cached",
format_humanmem(b1, sizeof b1, mem.totalSwap),
format_humanmem(b2, sizeof b2, mem.totalSwap-mem.availSwap),
format_humanmem(b3, sizeof b3, mem.availSwap),
format_humanmem(b4, sizeof b4, mem.cached));
line++;
}
printw("\n%7s %4s %6s %10s %11s %5s %-10s",
"Index", "Type", "Status", "Memory", "Total CPU", "%CPU", "Command");
line++;
ninx = 0;
while (line < LINES && ninx < ncount) {
struct hrSWRunTable *proc = nproc+ninx;
const char *hr_status, *hr_type;
ninx++;
if (proc->hrSWRunPerfCPUInc == 0 && !show_idle)
continue;
if (proc->hrSWRunType != 4 && !show_os)
continue;
line++;
switch (proc->hrSWRunType) {
case 1: hr_type = "Unkn"; break;
case 2: hr_type = "Os"; break;
case 3: hr_type = "Drvr"; break;
case 4: hr_type = "Appl"; break;
default: hr_type = "?"; break;
}
switch (proc->hrSWRunStatus) {
case 1: hr_status = "Run"; break;
case 2: hr_status = "Wait"; break;
case 3: hr_status = "Event"; break;
case 4: hr_status = "Inval"; break;
default: hr_status = "?"; break;
}
printw("\n%7lu %4s %6s %10s %11s %5.1f %s %s",
proc->hrSWRunIndex,
hr_type,
hr_status,
format_humanmem(b1, sizeof b1, proc->hrSWRunPerfMem),
format_sec(b2,sizeof b2, proc->hrSWRunPerfCPU),
(float)proc->hrSWRunPerfCPUInc/5,
command_path && proc->hrSWRunPath[0] ? proc->hrSWRunPath : proc->hrSWRunName,
command_args ? proc->hrSWRunParameters : "");
}
refresh();
qsort(nproc, ncount, sizeof(nproc[0]), pidcomp);
free_perf(oproc, ocount);
oproc = nproc;
ocount = ncount;
}
endwin();
snmp_close(ss);
SOCK_CLEANUP;
return 0;
}