read some more battery data using new bme.c file but not stable, crashes after 23...
[monky] / src / proc.c
index a61e1eb..63855c2 100644 (file)
@@ -10,7 +10,7 @@
  * Please see COPYING for details
  *
  * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
- * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
+ * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
  *   (see AUTHORS)
  * All rights reserved.
  *
@@ -28,8 +28,8 @@
  *
  */
 
-#include <logging.h>
 #include "conky.h"
+#include "logging.h"
 #include "proc.h"
 #include <unistd.h>
 #include <ctype.h>
@@ -106,7 +106,7 @@ void print_pid_chroot(struct text_object *obj, char *p, int p_max_size) {
        char *buffer;
 
        asprintf(&buffer, PROCDIR "/%s/root", obj->data.s);
-       print_pid_readlink(buffer, p, p_max_size);
+       pid_readlink(buffer, p, p_max_size);
        free(buffer);
 }
 
@@ -115,18 +115,22 @@ void print_pid_cmdline(struct text_object *obj, char *p, int p_max_size)
        char* buf;
        int i, bytes_read;
 
-       asprintf(&buf, PROCDIR "/%s/cmdline", obj->data.s);
-       strcpy(obj->data.s, buf);
-       free(buf);
-       buf = readfile(obj->data.s, &bytes_read, 1);
-       if(buf != NULL) {
-               for(i = 0; i < bytes_read-1; i++) {
-                       if(buf[i] == 0) {
-                               buf[i] = ' ';
+       if(*(obj->data.s) != 0) {
+               asprintf(&buf, PROCDIR "/%s/cmdline", obj->data.s);
+               strcpy(obj->data.s, buf);
+               free(buf);
+               buf = readfile(obj->data.s, &bytes_read, 1);
+               if(buf != NULL) {
+                       for(i = 0; i < bytes_read-1; i++) {
+                               if(buf[i] == 0) {
+                                       buf[i] = ' ';
+                               }
                        }
+                       snprintf(p, p_max_size, "%s", buf);
+                       free(buf);
                }
-               snprintf(p, p_max_size, "%s", buf);
-               free(buf);
+       } else {
+               NORM_ERR("$pid_cmdline didn't receive a argument");
        }
 }
 
@@ -204,10 +208,30 @@ void print_pid_exe(struct text_object *obj, char *p, int p_max_size) {
        char *buffer;
 
        asprintf(&buffer, PROCDIR "/%s/exe", obj->data.s);
-       print_pid_readlink(buffer, p, p_max_size);
+       pid_readlink(buffer, p, p_max_size);
        free(buffer);
 }
 
+void print_pid_nice(struct text_object *obj, char *p, int p_max_size) {
+       char *buf = NULL;
+       int bytes_read;
+       long int nice_value;
+
+       if(*(obj->data.s) != 0) {
+               asprintf(&buf, PROCDIR "/%s/stat", obj->data.s);
+               strcpy(obj->data.s, buf);
+               free(buf);
+               buf = readfile(obj->data.s, &bytes_read, 1);
+               if(buf != NULL) {
+                       sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*u %*u %*d %*d %*d %ld", &nice_value);
+                       snprintf(p, p_max_size, "%ld", nice_value);
+                       free(buf);
+               }
+       } else {
+               NORM_ERR("$pid_nice didn't receive a argument");
+       }
+}
+
 void print_pid_openfiles(struct text_object *obj, char *p, int p_max_size) {
        DIR* dir;
        struct dirent *entry;
@@ -241,7 +265,55 @@ void print_pid_openfiles(struct text_object *obj, char *p, int p_max_size) {
        }
 }
 
+void print_pid_parent(struct text_object *obj, char *p, int p_max_size) {
+#define PARENT_ENTRY "PPid:\t"
+#define PARENTNOTFOUND "Can't find the process parent in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, PARENT_ENTRY);
+               if(begin != NULL) {
+                       begin += strlen(PARENT_ENTRY);
+                       end = strchr(begin, '\n');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(PARENTNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+void print_pid_priority(struct text_object *obj, char *p, int p_max_size) {
+       char *buf = NULL;
+       int bytes_read;
+       long int priority;
+
+       if(*(obj->data.s) != 0) {
+               asprintf(&buf, PROCDIR "/%s/stat", obj->data.s);
+               strcpy(obj->data.s, buf);
+               free(buf);
+               buf = readfile(obj->data.s, &bytes_read, 1);
+               if(buf != NULL) {
+                       sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*u %*u %*d %*d %ld", &priority);
+                       snprintf(p, p_max_size, "%ld", priority);
+                       free(buf);
+               }
+       } else {
+               NORM_ERR("$pid_priority didn't receive a argument");
+       }
+}
+
 void print_pid_state(struct text_object *obj, char *p, int p_max_size) {
+#define STATE_ENTRY "State:\t"
+#define STATENOTFOUND  "Can't find the process state in '%s'"
        char *begin, *end, *buf = NULL;
        int bytes_read;
 
@@ -255,7 +327,7 @@ void print_pid_state(struct text_object *obj, char *p, int p_max_size) {
                        begin += strlen(STATE_ENTRY) + 3;       // +3 will strip the char representing the short state and the space and '(' that follow
                        end = strchr(begin, '\n');
                        if(end != NULL) {
-                               *(end-1) = 0;
+                               *(end-1) = 0;   // -1 strips the ')'
                        }
                        snprintf(p, p_max_size, "%s", begin);
                } else {
@@ -288,7 +360,7 @@ void print_pid_stderr(struct text_object *obj, char *p, int p_max_size) {
        char *buffer;
 
        asprintf(&buffer, PROCDIR "/%s/fd/2", obj->data.s);
-       print_pid_readlink(buffer, p, p_max_size);
+       pid_readlink(buffer, p, p_max_size);
        free(buffer);
 }
 
@@ -296,7 +368,7 @@ void print_pid_stdin(struct text_object *obj, char *p, int p_max_size) {
        char *buffer;
 
        asprintf(&buffer, PROCDIR "/%s/fd/0", obj->data.s);
-       print_pid_readlink(buffer, p, p_max_size);
+       pid_readlink(buffer, p, p_max_size);
        free(buffer);
 }
 
@@ -304,7 +376,7 @@ void print_pid_stdout(struct text_object *obj, char *p, int p_max_size) {
        char *buffer;
 
        asprintf(&buffer, PROCDIR "/%s/fd/1", obj->data.s);
-       print_pid_readlink(buffer, p, p_max_size);
+       pid_readlink(buffer, p, p_max_size);
        free(buffer);
 }
 
@@ -342,7 +414,7 @@ void print_cmdline_to_pid(struct text_object *obj, char *p, int p_max_size) {
                                for(i = 0; i < bytes_read - 1; i++) {
                                        if(buf[i] == 0) buf[i] = ' ';
                                }
-                               if(strcmp(buf, obj->data.s) == 0) {
+                               if(strstr(buf, obj->data.s) != NULL) {
                                        snprintf(p, p_max_size, "%s", entry->d_name);
                                        free(buf);
                                        closedir(dir);
@@ -356,3 +428,444 @@ void print_cmdline_to_pid(struct text_object *obj, char *p, int p_max_size) {
                NORM_ERR(READERR, PROCDIR);
        }
 }
+
+void print_pid_threads(struct text_object *obj, char *p, int p_max_size) {
+#define THREADS_ENTRY "Threads:\t"
+#define THREADSNOTFOUND        "Can't find the number of the threads of the process in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, THREADS_ENTRY);
+               if(begin != NULL) {
+                       begin += strlen(THREADS_ENTRY);
+                       end = strchr(begin, '\n');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(THREADSNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+void print_pid_thread_list(struct text_object *obj, char *p, int p_max_size) {
+       char *buf = NULL;
+       DIR* dir;
+       struct dirent *entry;
+       int totallength = 0;
+
+       asprintf(&buf, PROCDIR "/%s/task", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       dir = opendir(obj->data.s);
+       if(dir != NULL) {
+               while ((entry = readdir(dir))) {
+                       if(entry->d_name[0] != '.') {
+                               snprintf(p + totallength, p_max_size - totallength, "%s," , entry->d_name);
+                               totallength += strlen(entry->d_name)+1;
+                       }
+               }
+               closedir(dir);
+               if(p[totallength - 1] == ',') p[totallength - 1] = 0;
+       } else {
+               p[0] = 0;
+       }
+}
+
+void print_pid_time_kernelmode(struct text_object *obj, char *p, int p_max_size) {
+       char *buf = NULL;
+       int bytes_read;
+       unsigned long int umtime;
+
+       if(*(obj->data.s) != 0) {
+               asprintf(&buf, PROCDIR "/%s/stat", obj->data.s);
+               strcpy(obj->data.s, buf);
+               free(buf);
+               buf = readfile(obj->data.s, &bytes_read, 1);
+               if(buf != NULL) {
+                       sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &umtime);
+                       snprintf(p, p_max_size, "%.2f", (float) umtime / 100);
+                       free(buf);
+               }
+       } else {
+               NORM_ERR("$pid_time_kernelmode didn't receive a argument");
+       }
+}
+
+void print_pid_time_usermode(struct text_object *obj, char *p, int p_max_size) {
+       char *buf = NULL;
+       int bytes_read;
+       unsigned long int kmtime;
+
+       if(*(obj->data.s) != 0) {
+               asprintf(&buf, PROCDIR "/%s/stat", obj->data.s);
+               strcpy(obj->data.s, buf);
+               free(buf);
+               buf = readfile(obj->data.s, &bytes_read, 1);
+               if(buf != NULL) {
+                       sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %*u %lu", &kmtime);
+                       snprintf(p, p_max_size, "%.2f", (float) kmtime / 100);
+                       free(buf);
+               }
+       } else {
+               NORM_ERR("$pid_time_usermode didn't receive a argument");
+       }
+}
+
+void print_pid_time(struct text_object *obj, char *p, int p_max_size) {
+       char *buf = NULL;
+       int bytes_read;
+       unsigned long int umtime, kmtime;
+
+       if(*(obj->data.s) != 0) {
+               asprintf(&buf, PROCDIR "/%s/stat", obj->data.s);
+               strcpy(obj->data.s, buf);
+               free(buf);
+               buf = readfile(obj->data.s, &bytes_read, 1);
+               if(buf != NULL) {
+                       sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu", &umtime, &kmtime);
+                       snprintf(p, p_max_size, "%.2f", (float) (umtime + kmtime) / 100);
+                       free(buf);
+               }
+       } else {
+               NORM_ERR("$pid_time didn't receive a argument");
+       }
+}
+
+#define UID_ENTRY "Uid:\t"
+void print_pid_uid(struct text_object *obj, char *p, int p_max_size) {
+#define UIDNOTFOUND    "Can't find the process real uid in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, UID_ENTRY);
+               if(begin != NULL) {
+                       begin += strlen(UID_ENTRY);
+                       end = strchr(begin, '\t');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(UIDNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+void print_pid_euid(struct text_object *obj, char *p, int p_max_size) {
+#define EUIDNOTFOUND   "Can't find the process effective uid in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, UID_ENTRY);
+               if(begin != NULL) {
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       end = strchr(begin, '\t');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(EUIDNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+void print_pid_suid(struct text_object *obj, char *p, int p_max_size) {
+#define SUIDNOTFOUND   "Can't find the process saved set uid in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, UID_ENTRY);
+               if(begin != NULL) {
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       end = strchr(begin, '\t');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(SUIDNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+void print_pid_fsuid(struct text_object *obj, char *p, int p_max_size) {
+#define FSUIDNOTFOUND  "Can't find the process file system uid in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, UID_ENTRY);
+               if(begin != NULL) {
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       end = strchr(begin, '\n');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(FSUIDNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+#define GID_ENTRY "Gid:\t"
+void print_pid_gid(struct text_object *obj, char *p, int p_max_size) {
+#define GIDNOTFOUND    "Can't find the process real gid in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, GID_ENTRY);
+               if(begin != NULL) {
+                       begin += strlen(GID_ENTRY);
+                       end = strchr(begin, '\t');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(GIDNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+void print_pid_egid(struct text_object *obj, char *p, int p_max_size) {
+#define EGIDNOTFOUND   "Can't find the process effective gid in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, GID_ENTRY);
+               if(begin != NULL) {
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       end = strchr(begin, '\t');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(EGIDNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+void print_pid_sgid(struct text_object *obj, char *p, int p_max_size) {
+#define SGIDNOTFOUND   "Can't find the process saved set gid in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, GID_ENTRY);
+               if(begin != NULL) {
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       end = strchr(begin, '\t');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(SGIDNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+void print_pid_fsgid(struct text_object *obj, char *p, int p_max_size) {
+#define FSGIDNOTFOUND  "Can't find the process file system gid in '%s'"
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, GID_ENTRY);
+               if(begin != NULL) {
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       begin = strchr(begin, '\t'); begin++;
+                       end = strchr(begin, '\n');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(FSGIDNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+void internal_print_pid_vm(char* pid, char *p, int p_max_size, const char* entry, const char* errorstring) {
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/status", pid);
+       strcpy(pid, buf);
+       free(buf);
+       buf = readfile(pid, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, entry);
+               if(begin != NULL) {
+                       begin += strlen(entry);
+                       while(*begin == '\t' || *begin == ' ') {
+                               begin++;
+                       }
+                       end = strchr(begin, '\n');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(errorstring, pid);
+               }
+               free(buf);
+       }
+}
+
+void print_pid_vmpeak(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmPeak:\t", "Can't find the process peak virtual memory size in '%s'");
+}
+
+void print_pid_vmsize(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmSize:\t", "Can't find the process virtual memory size in '%s'");
+}
+
+void print_pid_vmlck(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmLck:\t", "Can't find the process locked memory size in '%s'");
+}
+
+void print_pid_vmhwm(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmHWM:\t", "Can't find the process peak resident set size in '%s'");
+}
+
+void print_pid_vmrss(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmHWM:\t", "Can't find the process resident set size in '%s'");
+}
+
+void print_pid_vmdata(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmData:\t", "Can't find the process data segment size in '%s'");
+}
+
+void print_pid_vmstk(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmData:\t", "Can't find the process stack segment size in '%s'");
+}
+
+void print_pid_vmexe(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmData:\t", "Can't find the process text segment size in '%s'");
+}
+
+void print_pid_vmlib(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmLib:\t", "Can't find the process shared library code size in '%s'");
+}
+
+void print_pid_vmpte(struct text_object *obj, char *p, int p_max_size) {
+       internal_print_pid_vm(obj->data.s, p, p_max_size, "VmPTE:\t", "Can't find the process page table entries size in '%s'");
+}
+
+#define READ_ENTRY "read_bytes: "
+#define READNOTFOUND   "Can't find the amount of bytes read in '%s'"
+void print_pid_read(struct text_object *obj, char *p, int p_max_size) {
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/io", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, READ_ENTRY);
+               if(begin != NULL) {
+                       end = strchr(begin, '\n');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(READNOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}
+
+#define WRITE_ENTRY "write_bytes: "
+#define WRITENOTFOUND  "Can't find the amount of bytes written in '%s'"
+void print_pid_write(struct text_object *obj, char *p, int p_max_size) {
+       char *begin, *end, *buf = NULL;
+       int bytes_read;
+
+       asprintf(&buf, PROCDIR "/%s/io", obj->data.s);
+       strcpy(obj->data.s, buf);
+       free(buf);
+       buf = readfile(obj->data.s, &bytes_read, 1);
+       if(buf != NULL) {
+               begin = strstr(buf, WRITE_ENTRY);
+               if(begin != NULL) {
+                       end = strchr(begin, '\n');
+                       if(end != NULL) {
+                               *(end) = 0;
+                       }
+                       snprintf(p, p_max_size, "%s", begin);
+               } else {
+                       NORM_ERR(WRITENOTFOUND, obj->data.s);
+               }
+               free(buf);
+       }
+}