* Copyright 2002-2008, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Francois Revol (mmu_man)
* Salvatore Benedetto <salvatore.benedetto@gmail.com>
* Bjoern Herzig (xRaich[o]2x)
* Thomas Schmidt <thomas.compix@googlemail.com>
*/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <OS.h>
enum {
Team = 0,
Id,
Threads,
Gid,
Uid
};
struct ColumnIndo {
const char* name;
const char* header;
const char* format;
} Infos[] = {
{ "Team", "%-50s", "%-50s" },
{ "Id", "%5s", "%5" B_PRId32 },
{ "Threads", "#%7s", "%8" B_PRId32 },
{ "Gid", "%4s", "%4d" },
{ "Uid", "%4s", "%4d" }
};
#define maxColumns 10
int Columns[maxColumns] = { Team, Id, Threads, Gid, Uid, 0 };
int ColumnsCount = 5;
const char* sStates[] = {"run", "rdy", "msg", "zzz", "sus", "wait"};
static void printTeamThreads(team_info* teamInfo, bool printSemaphoreInfo);
static void printTeamInfo(team_info* teamInfo, bool printHeader);
static void
printTeamInfo(team_info* teamInfo, bool printHeader)
{
int i = 0;
if (printHeader) {
for (i = 0; i < ColumnsCount; i++) {
printf(Infos[Columns[i]].header, Infos[Columns[i]].name);
putchar(' ');
}
puts("");
}
for (i = 0; i < ColumnsCount; i++) {
switch (Columns[i]) {
case Team:
printf(Infos[Team].format, teamInfo->args);
break;
case Id:
printf(Infos[Id].format, teamInfo->team);
break;
case Threads:
printf(Infos[Threads].format, teamInfo->thread_count);
break;
case Gid:
printf(Infos[Gid].format, teamInfo->gid);
break;
case Uid:
printf(Infos[Uid].format, teamInfo->uid);
break;
}
putchar(' ');
}
puts("");
}
static void
printTeamThreads(team_info* teamInfo, bool printSemaphoreInfo)
{
const char* threadState;
int32 threadCookie = 0;
sem_info semaphoreInfo;
thread_info threadInfo;
while (get_next_thread_info(teamInfo->team, &threadCookie, &threadInfo)
>= B_OK) {
if (threadInfo.state < B_THREAD_RUNNING
|| threadInfo.state > B_THREAD_WAITING)
threadState = "???";
else
threadState = sStates[threadInfo.state - 1];
printf("%-37s %5" B_PRId32 " %8s %4" B_PRId32 " %8" B_PRIu64 " %8"
B_PRId64 " ", threadInfo.name, threadInfo.thread, threadState,
threadInfo.priority, (threadInfo.user_time / 1000),
(threadInfo.kernel_time / 1000));
if (printSemaphoreInfo) {
if (threadInfo.state == B_THREAD_WAITING && threadInfo.sem != -1) {
status_t status = get_sem_info(threadInfo.sem, &semaphoreInfo);
if (status == B_OK) {
printf("%s(%" B_PRId32 ")\n", semaphoreInfo.name,
semaphoreInfo.sem);
} else {
printf("%s(%" B_PRId32 ")\n", strerror(status),
threadInfo.sem);
}
} else
puts("");
} else
puts("");
}
}
int
main(int argc, char** argv)
{
team_info teamInfo;
int32 teamCookie = 0;
system_info systemInfo;
bool printSystemInfo = false;
bool printThreads = false;
bool printHeader = true;
bool printSemaphoreInfo = false;
bool customizeColumns = false;
char* string_to_match;
int c;
while ((c = getopt(argc, argv, "-ihaso:")) != EOF) {
switch (c) {
case 'i':
printSystemInfo = true;
break;
case 'h':
printf( "usage: ps [-hais] [-o columns list] [team]\n"
"-h : show help\n"
"-i : show system info\n"
"-s : show semaphore info\n"
"-o : display team info associated with the list\n"
"-a : show threads too (by default only teams are "
"displayed)\n");
return 0;
break;
case 'a':
printThreads = true;
break;
case 's':
printSemaphoreInfo = true;
break;
case 'o':
if (!customizeColumns)
ColumnsCount = 0;
customizeColumns = true;
case 1:
{
size_t i = 0;
if (c == 1 && !customizeColumns)
break;
for (i = 0; i < sizeof(Infos) / sizeof(Infos[0]); i++)
if (strcmp(optarg, Infos[i].name) == 0
&& ColumnsCount < maxColumns) {
Columns[ColumnsCount++] = i;
continue;
}
break;
}
}
}
if (argc == 2 && (printSystemInfo || printThreads))
string_to_match = NULL;
else
string_to_match = (argc >= 2 && !customizeColumns)
? argv[argc - 1] : NULL;
if (!string_to_match) {
while (get_next_team_info(&teamCookie, &teamInfo) >= B_OK) {
printTeamInfo(&teamInfo, printHeader);
printHeader = false;
if (printThreads) {
printf("\n%-37s %5s %8s %4s %8s %8s\n", "Thread", "Id", \
"State", "Prio", "UTime", "KTime");
printTeamThreads(&teamInfo, printSemaphoreInfo);
printf("----------------------------------------------" \
"-----------------------------\n");
printHeader = true;
}
}
} else {
while (get_next_team_info(&teamCookie, &teamInfo) >= B_OK) {
char* p = teamInfo.args;
if ((p = strchr(p, ' ')))
*p = '\0';
p = strrchr(teamInfo.args, '/');
if (p == NULL)
p = teamInfo.args;
if (strstr(p, string_to_match) == NULL)
continue;
printTeamInfo(&teamInfo, true);
printf("\n%-37s %5s %8s %4s %8s %8s\n", "Thread", "Id", "State", \
"Prio", "UTime", "KTime");
printTeamThreads(&teamInfo, printSemaphoreInfo);
}
}
if (printSystemInfo) {
get_system_info(&systemInfo);
printf("\nSystem Info\n");
printf("%" B_PRIu64 "k (%" B_PRIu64 " bytes) total memory\n",
(systemInfo.max_pages * B_PAGE_SIZE / 1024),
(systemInfo.max_pages * B_PAGE_SIZE));
printf("%" B_PRIu64 "k (%" B_PRIu64 " bytes) currently committed\n",
(systemInfo.used_pages * B_PAGE_SIZE / 1024),
(systemInfo.used_pages * B_PAGE_SIZE));
printf("%" B_PRIu64 "k (%" B_PRIu64 " bytes) currently available\n",
(systemInfo.max_pages - systemInfo.used_pages) * B_PAGE_SIZE / 1024,
(systemInfo.max_pages - systemInfo.used_pages) * B_PAGE_SIZE);
printf("%2.1f%% memory utilisation\n",
(float)100 * systemInfo.used_pages / systemInfo.max_pages);
}
return 0;
}
