이전
목록
다음
빅

프로그램 정지 상태 조사(strace 이용)

빅뱅1
프로필 보기게시판 작성글 보기전체 작성글 보기전체 댓글 보기
 · 2012-05-14 (월) 12:45:29 · 2981
test os: centos5

strace 패키지ㅣ 없다면 설치합니다.
  yum -y install strace



#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>

int main ( int argc, char *argv[])
{
        getpid();

        if(argc<2)
        {
                printf("hang (user|system)");
                return 1;
        }
        if (!strcmp(argv[1],"user"))
        {
                while(1); // LOOP
        }
        else if (!strcmp(argv[1],"system"))
        {
                sleep(5);
    printf("system complete~!");
        }
        return 0;
}


g++ -o hang hang.c

root@localhost c_code # strace ./hang system
execve("./hang", ["./hang", "system"], [/* 21 vars */]) = 0
brk(0)                                  = 0x8ca5000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=29863, ...}) = 0
mmap2(NULL, 29863, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f76000
close(3)                                = 0
open("/usr/lib/libstdc++.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0P|z\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=936908, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f75000
mmap2(0x768000, 961720, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x768000
mmap2(0x848000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xdf) = 0x848000
mmap2(0x84d000, 23736, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x84d000
close(3)                                = 0
open("/lib/libm.so.6", O_RDONLY)        = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\324/\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=208352, ...}) = 0
mmap2(0x2fa000, 155760, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2fa000
mmap2(0x31f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24) = 0x31f000
close(3)                                = 0
open("/lib/libgcc_s.so.1", O_RDONLY)    = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0`f:\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=46476, ...}) = 0
mmap2(0x3a5000, 48036, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3a5000
mmap2(0x3b0000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xa) = 0x3b0000
close(3)                                = 0
open("/lib/libc.so.6", O_RDONLY)        = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\340\277B\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1611564, ...}) = 0
mmap2(0x416000, 1332676, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x416000
mprotect(0x555000, 4096, PROT_NONE)     = 0
mmap2(0x556000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13f) = 0x556000
mmap2(0x559000, 9668, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x559000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f74000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb7f74ad0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0x556000, 8192, PROT_READ)     = 0
mprotect(0x31f000, 4096, PROT_READ)     = 0
mprotect(0x848000, 16384, PROT_READ)    = 0
mprotect(0x2d6000, 4096, PROT_READ)     = 0
munmap(0xb7f76000, 29863)               = 0
getpid()                                = 2582
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGCHLD, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
nanosleep({5, 0}, {5, 0})               = 0
fstat64(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f7d000
write(1, "system complete~!", 17system complete~!)       = 17
exit_group(0)                           = ?

root@localhost c_code # strace ./hang user
execve("./hang", ["./hang", "user"], [/* 21 vars */]) = 0
brk(0)                                  = 0x963c000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=29863, ...}) = 0
mmap2(NULL, 29863, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f34000
close(3)                                = 0
open("/usr/lib/libstdc++.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0P|z\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=936908, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f33000
mmap2(0x768000, 961720, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x768000
mmap2(0x848000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xdf) = 0x848000
mmap2(0x84d000, 23736, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x84d000
close(3)                                = 0
open("/lib/libm.so.6", O_RDONLY)        = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\324/\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=208352, ...}) = 0
mmap2(0x2fa000, 155760, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2fa000
mmap2(0x31f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24) = 0x31f000
close(3)                                = 0
open("/lib/libgcc_s.so.1", O_RDONLY)    = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0`f:\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=46476, ...}) = 0
mmap2(0x3a5000, 48036, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3a5000
mmap2(0x3b0000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xa) = 0x3b0000
close(3)                                = 0
open("/lib/libc.so.6", O_RDONLY)        = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\340\277B\0004\0\0\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1611564, ...}) = 0
mmap2(0x416000, 1332676, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x416000
mprotect(0x555000, 4096, PROT_NONE)     = 0
mmap2(0x556000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13f) = 0x556000
mmap2(0x559000, 9668, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x559000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f32000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb7f32ad0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mprotect(0x556000, 8192, PROT_READ)     = 0
mprotect(0x31f000, 4096, PROT_READ)     = 0
mprotect(0x848000, 16384, PROT_READ)    = 0
mprotect(0x2d6000, 4096, PROT_READ)     = 0
munmap(0xb7f34000, 29863)               = 0
getpid()                                = 2584



어떤 실행 프로그램이 있을때 , 어느 부분에서 행이 걸렸는지 추적이 가능하네요.
#개발자팁 #개발자 #팁자료실 #linux
|
댓글을 작성하시려면 로그인이 필요합니다.

프로그램

8,188건
태그 필터 (최대 3개) 전체 개발자 소스 기타 mysql 팁자료실 javascript php linux flash 정규표현식 jquery node.js mobile 웹서버 os 프로그램 강좌 썸네일 이미지관련 도로명주소 그누보드5 기획자 견적서 계약서 기획서 마케팅 제안서 seo 통계 서식 통계자료 퍼블리셔 html css 반응형 웹접근성 퍼블리싱 표준화 반응형웹 홈페이지기초 부트스트랩 angularjs 포럼 스크린리더 센스리더 개발자톡 개발자팁 퍼블리셔톡 퍼블리셔팁 기획자톡 기획자팁 프로그램강좌 퍼블리싱강좌
+
제목 글쓴이 날짜 조회
13-03-03 조회 6,246
13-03-01 조회 5,573
13-03-01 조회 8,316
13-03-01 조회 6,313
13-02-26 조회 3,919
13-02-26 조회 3,864
13-02-26 조회 4,760
13-02-24 조회 8,172
13-02-24 조회 4,258
13-02-24 조회 3,500
13-02-24 조회 5,316
13-02-24 조회 5,308
13-02-24 조회 4,375
13-02-24 조회 5,712
13-02-24 조회 9,402
13-02-14 조회 5,110
13-02-13 조회 9,039
13-01-29 조회 7,682
13-01-24 조회 5,031
13-01-24 조회 4,906
13-01-17 조회 4,316
13-01-16 조회 4,347
13-01-08 조회 4,401
12-12-27 조회 4,059
12-12-20 조회 1.1만
12-12-20 조회 3,382
12-12-06 조회 4,371
12-12-01 조회 4,131
12-11-28 조회 5,698
12-11-25 조회 5,405
12-10-20 조회 4,667
12-10-03 조회 4,831
12-09-26 조회 4,992
12-09-15 조회 8,446
12-09-14 조회 5,461
12-09-11 조회 3,970
12-09-10 조회 3,981
12-09-05 조회 8,861
12-08-29 조회 4,662
12-08-26 조회 3,791
12-08-23 조회 3,490
12-08-22 조회 3,578
12-08-22 조회 4,390
12-08-21 조회 3,536
12-08-20 조회 3,457
12-08-20 조회 9,260
12-08-15 조회 4,379
12-08-13 조회 3,299
12-08-11 조회 4,719
12-08-05 조회 4,565
12-08-03 조회 3,349
12-08-03 조회 4,042
12-08-02 조회 5,024
12-07-29 조회 4,133
12-07-26 조회 3,710
12-07-26 조회 3,580
12-07-22 조회 3,492
12-07-20 조회 3,328
12-07-19 조회 4,191
12-07-19 조회 3,451
12-07-16 조회 3,564
12-07-16 조회 4,485
12-07-15 조회 3,561
12-07-12 조회 7,389
12-07-12 조회 5,033
12-07-11 조회 3,080
12-07-09 조회 3,240
12-07-05 조회 3,852
12-07-04 조회 4,423
12-07-04 조회 3,829
12-07-04 조회 4,350
12-06-29 조회 3,815
12-06-27 조회 3,407
12-06-24 조회 3,881
12-06-22 조회 4,192
12-06-22 조회 8,603
12-06-22 조회 3,255
12-06-21 조회 3,288
12-06-17 조회 3,915
12-06-14 조회 4,015
12-06-14 조회 3,298
12-06-08 조회 4,446
12-06-06 조회 3,408
12-06-04 조회 4,161
12-05-26 조회 4,978
12-05-26 조회 3,934
12-05-25 조회 3,231
12-05-24 조회 3,331
12-05-22 조회 3,377
12-05-20 조회 3,004
12-05-16 조회 3,138
12-05-15 조회 3,534
12-05-10 조회 3,964
12-05-08 조회 3,486
12-05-04 조회 3,342
12-05-03 조회 4,295
12-05-02 조회 3,429
12-05-02 조회 3,204
12-05-02 조회 3,303
12-04-26 조회 3,452
글쓰기