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authorvda <vda@69ca8d6d-28ef-0310-b511-8ec308f3f277>2007-04-19 14:46:14 +0000
committervda <vda@69ca8d6d-28ef-0310-b511-8ec308f3f277>2007-04-19 14:46:14 +0000
commitcff0c40a676337eb85bc57589bfe3436a9d21613 (patch)
tree4685bf59c11f898fad44f6e38cde3d16e43c723d /procps/ps.c
parentf3ed3d787ee3079c43760fe1ea1475cffdc1d8bb (diff)
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ps: add -o tty and -o rss support
1373 14 24 1411 583 busybox.t1/procps/ps.o 1462 14 24 1500 5dc busybox.t2/procps/ps.o git-svn-id: svn://busybox.net/trunk/busybox@18496 69ca8d6d-28ef-0310-b511-8ec308f3f277
Diffstat (limited to 'procps/ps.c')
-rw-r--r--procps/ps.c79
1 files changed, 45 insertions, 34 deletions
diff --git a/procps/ps.c b/procps/ps.c
index f8f5c1aa9..0c9b71e09 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -29,83 +29,90 @@ static void func_args(char *buf, int size, const procps_status_t *ps)
29 if (ps->cmd) 29 if (ps->cmd)
30 safe_strncpy(buf, ps->cmd, size+1); 30 safe_strncpy(buf, ps->cmd, size+1);
31 else if (size >= 2) 31 else if (size >= 2)
32 snprintf(buf, size+1, "[%.*s]", size-2, ps->comm); 32 sprintf(buf, "[%.*s]", size-2, ps->comm);
33} 33}
34 34
35static void func_pid(char *buf, int size, const procps_status_t *ps) 35static void func_pid(char *buf, int size, const procps_status_t *ps)
36{ 36{
37 snprintf(buf, size+1, "%*u", size, ps->pid); 37 sprintf(buf, "%*u", size, ps->pid);
38} 38}
39 39
40static void func_ppid(char *buf, int size, const procps_status_t *ps) 40static void func_ppid(char *buf, int size, const procps_status_t *ps)
41{ 41{
42 snprintf(buf, size+1, "%*u", size, ps->ppid); 42 sprintf(buf, "%*u", size, ps->ppid);
43} 43}
44 44
45static void func_pgid(char *buf, int size, const procps_status_t *ps) 45static void func_pgid(char *buf, int size, const procps_status_t *ps)
46{ 46{
47 snprintf(buf, size+1, "%*u", size, ps->pgid); 47 sprintf(buf, "%*u", size, ps->pgid);
48} 48}
49 49
50static void func_vsz(char *buf, int size, const procps_status_t *ps) 50static void func_vsz(char *buf, int size, const procps_status_t *ps)
51{ 51{
52 char buf5[5]; 52 char buf5[5];
53 smart_ulltoa5( ((unsigned long long)ps->vsz) << 10, buf5); 53 smart_ulltoa5( ((unsigned long long)ps->vsz) << 10, buf5);
54 snprintf(buf, size+1, "%.*s", size, buf5); 54 sprintf(buf, "%.*s", size, buf5);
55} 55}
56 56
57static void func_rss(char *buf, int size, const procps_status_t *ps)
58{
59 char buf5[5];
60 smart_ulltoa5( ((unsigned long long)ps->rss) << 10, buf5);
61 sprintf(buf, "%.*s", size, buf5);
62}
63
64static void func_tty(char *buf, int size, const procps_status_t *ps)
65{
66 safe_strncpy(buf, ps->tty_str, size+1);
67}
57/* 68/*
58void func_nice(char *buf, int size, const procps_status_t *ps) 69static void func_nice(char *buf, int size, const procps_status_t *ps)
59{ 70{
60 ps->??? 71 ps->???
61} 72}
62 73
63void func_etime(char *buf, int size, const procps_status_t *ps) 74static void func_etime(char *buf, int size, const procps_status_t *ps)
64{ 75{
65 elapled time [[dd-]hh:]mm:ss 76 elapled time [[dd-]hh:]mm:ss
66} 77}
67 78
68void func_time(char *buf, int size, const procps_status_t *ps) 79static void func_time(char *buf, int size, const procps_status_t *ps)
69{ 80{
70 cumulative time [[dd-]hh:]mm:ss 81 cumulative time [[dd-]hh:]mm:ss
71} 82}
72 83
73void func_pcpu(char *buf, int size, const procps_status_t *ps) 84static void func_pcpu(char *buf, int size, const procps_status_t *ps)
74{
75}
76
77void func_tty(char *buf, int size, const procps_status_t *ps)
78{ 85{
79} 86}
80*/ 87*/
81 88
82typedef struct { 89typedef struct {
83 char name[8]; 90 uint16_t width;
91 char name[6];
84 const char *header; 92 const char *header;
85 void (*f)(char *buf, int size, const procps_status_t *ps); 93 void (*f)(char *buf, int size, const procps_status_t *ps);
86 int ps_flags; 94 int ps_flags;
87 int width;
88} ps_out_t; 95} ps_out_t;
89 96
90static const ps_out_t out_spec[] = { 97static const ps_out_t out_spec[] = {
91// Mandated by POSIX: 98// Mandated by POSIX:
92 { "user" ,"USER" ,func_user ,PSSCAN_UIDGID,8 }, 99 { 8 , "user" ,"USER" ,func_user ,PSSCAN_UIDGID },
93 { "comm" ,"COMMAND",func_comm ,PSSCAN_COMM ,16 }, 100 { 16 , "comm" ,"COMMAND",func_comm ,PSSCAN_COMM },
94 { "args" ,"COMMAND",func_args ,PSSCAN_CMD|PSSCAN_COMM,256 }, 101 { 256 , "args" ,"COMMAND",func_args ,PSSCAN_CMD|PSSCAN_COMM },
95 { "pid" ,"PID" ,func_pid ,PSSCAN_PID ,5 }, 102 { 5 , "pid" ,"PID" ,func_pid ,PSSCAN_PID },
96 { "ppid" ,"PPID" ,func_ppid ,PSSCAN_PPID ,5 }, 103 { 5 , "ppid" ,"PPID" ,func_ppid ,PSSCAN_PPID },
97 { "pgid" ,"PGID" ,func_pgid ,PSSCAN_PGID ,5 }, 104 { 5 , "pgid" ,"PGID" ,func_pgid ,PSSCAN_PGID },
98// { "etime" ,"ELAPSED",func_etime ,PSSCAN_ ,sizeof("ELAPSED")-1 }, 105// { sizeof("ELAPSED")-1, "etime" ,"ELAPSED",func_etime ,PSSCAN_ },
99// { "group" ,"GROUP" ,func_group ,PSSCAN_UIDGID,sizeof("GROUP" )-1 }, 106// { sizeof("GROUP" )-1, "group" ,"GROUP" ,func_group ,PSSCAN_UIDGID },
100// { "nice" ,"NI" ,func_nice ,PSSCAN_ ,sizeof("NI" )-1 }, 107// { sizeof("NI" )-1, "nice" ,"NI" ,func_nice ,PSSCAN_ },
101// { "pcpu" ,"%CPU" ,func_pcpu ,PSSCAN_ ,sizeof("%CPU" )-1 }, 108// { sizeof("%CPU" )-1, "pcpu" ,"%CPU" ,func_pcpu ,PSSCAN_ },
102// { "rgroup","RGROUP" ,func_rgroup,PSSCAN_UIDGID,sizeof("RGROUP" )-1 }, 109// { sizeof("RGROUP" )-1, "rgroup","RGROUP" ,func_rgroup,PSSCAN_UIDGID },
103// { "ruser" ,"RUSER" ,func_ruser ,PSSCAN_UIDGID,sizeof("RUSER" )-1 }, 110// { sizeof("RUSER" )-1, "ruser" ,"RUSER" ,func_ruser ,PSSCAN_UIDGID },
104// { "time" ,"TIME" ,func_time ,PSSCAN_ ,sizeof("TIME" )-1 }, 111// { sizeof("TIME" )-1, "time" ,"TIME" ,func_time ,PSSCAN_ },
105// { "tty" ,"TT" ,func_tty ,PSSCAN_ ,sizeof("TT" )-1 }, 112 { sizeof("TT" )-1, "tty" ,"TT" ,func_tty ,PSSCAN_TTY },
106 { "vsz" ,"VSZ" ,func_vsz ,PSSCAN_VSZ ,4 }, 113 { 4 , "vsz" ,"VSZ" ,func_vsz ,PSSCAN_VSZ },
107// Not mandated by POSIX: 114// Not mandated by POSIX, but useful:
108// { "rss" ,"RSS" ,func_rss ,PSSCAN_RSS ,4 }, 115 { 4 , "rss" ,"RSS" ,func_rss ,PSSCAN_RSS },
109}; 116};
110 117
111#define VEC_SIZE(v) ( sizeof(v) / sizeof((v)[0]) ) 118#define VEC_SIZE(v) ( sizeof(v) / sizeof((v)[0]) )
@@ -152,6 +159,8 @@ static void parse_o(char* opt)
152 } 159 }
153 break; 160 break;
154 } 161 }
162 // opt points to last spec in comma separated list.
163 // This one can have =HEADER part.
155 new = new_out_t(); 164 new = new_out_t();
156 if (equal) 165 if (equal)
157 *equal = '\0'; 166 *equal = '\0';
@@ -190,9 +199,11 @@ static void format_header(void)
190{ 199{
191 int i; 200 int i;
192 ps_out_t* op; 201 ps_out_t* op;
193 char *p = buffer; 202 char *p;
203
194 if (!print_header) 204 if (!print_header)
195 return; 205 return;
206 p = buffer;
196 i = 0; 207 i = 0;
197 if (out_cnt) { 208 if (out_cnt) {
198 while (1) { 209 while (1) {
@@ -248,7 +259,7 @@ int ps_main(int argc, char **argv)
248 // -f Generate a full listing 259 // -f Generate a full listing
249 // -l Generate a long listing 260 // -l Generate a long listing
250 // -o col1,col2,col3=header 261 // -o col1,col2,col3=header
251 // Select which columns to distplay 262 // Select which columns to display
252 /* We allow (and ignore) most of the above. FIXME */ 263 /* We allow (and ignore) most of the above. FIXME */
253 opt_complementary = "o::"; 264 opt_complementary = "o::";
254 getopt32(argc, argv, "o:aAdefl", &opt_o); 265 getopt32(argc, argv, "o:aAdefl", &opt_o);
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-17 02:38:14 +0000