chiark / gitweb /
coredumpctl: show comm name next to PID
[elogind.git] / src / journal / coredumpctl.c
index 731468330909589842de9c29db0c260823972bf7..fefd02bc9b26ec3a693afa91538a55d2109004fa 100644 (file)
@@ -85,15 +85,16 @@ static int help(void) {
         printf("%s [OPTIONS...]\n\n"
                "List or retrieve coredumps from the journal.\n\n"
                "Flags:\n"
-               "  -o --output=FILE   Write output to FILE\n"
+               "  -h --help          Show this help\n"
+               "     --version       Print version string\n"
                "     --no-pager      Do not pipe output into a pager\n"
-               "     --no-legend     Do not print the column headers.\n\n"
+               "     --no-legend     Do not print the column headers.\n"
+               "  -1                 Show information about most recent entry only\n"
+               "  -F --field=FIELD   List all values a certain field takes\n"
+               "  -o --output=FILE   Write output to FILE\n\n"
 
                "Commands:\n"
-               "  -h --help          Show this help\n"
-               "  --version          Print version string\n"
-               "  -F --field=FIELD   List all values a certain field takes\n"
-               "  list [MATCHES...]  List available coredumps\n"
+               "  list [MATCHES...]  List available coredumps (default)\n"
                "  info [MATCHES...]  Show detailed information about one or more coredumps\n"
                "  dump [MATCHES...]  Print first matching coredump to stdout\n"
                "  gdb [MATCHES...]   Start gdb for the first matching coredump\n"
@@ -279,7 +280,7 @@ static int retrieve(const void *data,
         return 0;
 }
 
-#define filename_escape(s) xescape((s), "./")
+#define filename_escape(s) xescape((s), "./ ")
 
 static int make_coredump_path(sd_journal *j, char **ret) {
         _cleanup_free_ char
@@ -383,15 +384,15 @@ static int print_list(FILE* file, sd_journal *j, int had_legend) {
 
         if (!had_legend && !arg_no_legend)
                 fprintf(file, "%-*s %*s %*s %*s %*s %s\n",
-                        FORMAT_TIMESTAMP_MAX-1, "TIME",
+                        FORMAT_TIMESTAMP_WIDTH, "TIME",
                         6, "PID",
                         5, "UID",
                         5, "GID",
                         3, "SIG",
                            "EXE");
 
-        fprintf(file, "%*s %*s %*s %*s %*s %s\n",
-                FORMAT_TIMESTAMP_MAX-1, buf,
+        fprintf(file, "%-*s %*s %*s %*s %*s %s\n",
+                FORMAT_TIMESTAMP_WIDTH, buf,
                 6, strna(pid),
                 5, strna(uid),
                 5, strna(gid),
@@ -408,9 +409,10 @@ static int print_info(FILE *file, sd_journal *j, bool need_space) {
                 *unit = NULL, *user_unit = NULL, *session = NULL,
                 *boot_id = NULL, *machine_id = NULL, *hostname = NULL,
                 *coredump = NULL, *slice = NULL, *cgroup = NULL,
-                *owner_uid = NULL, *message = NULL;
+                *owner_uid = NULL, *message = NULL, *timestamp = NULL;
         const void *d;
         size_t l;
+        int r;
 
         assert(file);
         assert(j);
@@ -429,6 +431,7 @@ static int print_info(FILE *file, sd_journal *j, bool need_space) {
                 retrieve(d, l, "COREDUMP_OWNER_UID", &owner_uid);
                 retrieve(d, l, "COREDUMP_SLICE", &slice);
                 retrieve(d, l, "COREDUMP_CGROUP", &cgroup);
+                retrieve(d, l, "COREDUMP_TIMESTAMP", &timestamp);
                 retrieve(d, l, "_BOOT_ID", &boot_id);
                 retrieve(d, l, "_MACHINE_ID", &machine_id);
                 retrieve(d, l, "_HOSTNAME", &hostname);
@@ -438,9 +441,14 @@ static int print_info(FILE *file, sd_journal *j, bool need_space) {
         if (need_space)
                 fputs("\n", file);
 
-        fprintf(file,
-                "           PID: %s%s%s\n",
-                ansi_highlight(), strna(pid), ansi_highlight_off());
+        if (comm)
+                fprintf(file,
+                        "           PID: %s%s%s (%s)\n",
+                        ansi_highlight(), strna(pid), ansi_highlight_off(), comm);
+        else
+                fprintf(file,
+                        "           PID: %s%s%s\n",
+                        ansi_highlight(), strna(pid), ansi_highlight_off());
 
         if (uid) {
                 uid_t n;
@@ -485,12 +493,26 @@ static int print_info(FILE *file, sd_journal *j, bool need_space) {
                         fprintf(file, "        Signal: %s\n", sgnl);
         }
 
-        if (exe)
-                fprintf(file, "    Executable: %s%s%s\n", ansi_highlight(), exe, ansi_highlight_off());
-        if (comm)
-                fprintf(file, "          Comm: %s\n", comm);
+        if (timestamp) {
+                usec_t u;
+
+                r = safe_atou64(timestamp, &u);
+                if (r >= 0) {
+                        char absolute[FORMAT_TIMESTAMP_MAX], relative[FORMAT_TIMESPAN_MAX];
+
+                        fprintf(file,
+                                "     Timestamp: %s (%s)\n",
+                                format_timestamp(absolute, sizeof(absolute), u),
+                                format_timestamp_relative(relative, sizeof(relative), u));
+
+                } else
+                        fprintf(file, "     Timestamp: %s\n", timestamp);
+        }
+
         if (cmdline)
                 fprintf(file, "  Command Line: %s\n", cmdline);
+        if (exe)
+                fprintf(file, "    Executable: %s%s%s\n", ansi_highlight(), exe, ansi_highlight_off());
         if (cgroup)
                 fprintf(file, " Control Group: %s\n", cgroup);
         if (unit)