| 1 | /* Copyright (C) 2011 Ericsson AB, Nils Carlson <nils.carlson@ericsson.com> |
| 2 | * |
| 3 | * This library is free software; you can redistribute it and/or |
| 4 | * modify it under the terms of the GNU Lesser General Public |
| 5 | * License as published by the Free Software Foundation; either |
| 6 | * version 2.1 of the License, or (at your option) any later version. |
| 7 | * |
| 8 | * This library is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 11 | * Lesser General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU Lesser General Public |
| 14 | * License along with this library; if not, write to the Free Software |
| 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 16 | */ |
| 17 | #include <stdio.h> |
| 18 | #include <sys/types.h> |
| 19 | #include <unistd.h> |
| 20 | #include <ust/ustctl.h> |
| 21 | #include "scanning_functions.h" |
| 22 | #include "usterr.h" |
| 23 | #include "cli.h" |
| 24 | |
| 25 | static int list_markers(int argc, char *argv[]) |
| 26 | { |
| 27 | struct marker_status *cmsf = NULL; |
| 28 | int i; |
| 29 | pid_t pid; |
| 30 | |
| 31 | pid = parse_pid(argv[1]); |
| 32 | |
| 33 | if (ustctl_get_cmsf(&cmsf, pid)) { |
| 34 | ERR("error while trying to list markers for PID %u\n", pid); |
| 35 | return -1; |
| 36 | } |
| 37 | for (i = 0; cmsf[i].channel; i++) { |
| 38 | printf("{PID: %u, channel/marker: %s/%s, " |
| 39 | "state: %u, fmt: %s}\n", |
| 40 | (unsigned int) pid, |
| 41 | cmsf[i].channel, |
| 42 | cmsf[i].marker, |
| 43 | cmsf[i].state, |
| 44 | cmsf[i].fs); |
| 45 | } |
| 46 | ustctl_free_cmsf(cmsf); |
| 47 | return 0; |
| 48 | } |
| 49 | |
| 50 | static int enable_marker(int argc, char *argv[]) |
| 51 | { |
| 52 | int i, result = 0; |
| 53 | pid_t pid; |
| 54 | char *channel, *marker; |
| 55 | |
| 56 | pid = parse_pid(argv[1]); |
| 57 | |
| 58 | for (i = 3; i < argc; i++) { |
| 59 | channel = NULL; |
| 60 | marker = NULL; |
| 61 | if (scan_ch_marker(argv[i], |
| 62 | &channel, &marker)) { |
| 63 | result = -1; |
| 64 | fprintf(stderr, "Failed to scan channel and marker from" |
| 65 | " %s\n", argv[i]); |
| 66 | if (channel) |
| 67 | free(channel); |
| 68 | if (marker) |
| 69 | free(marker); |
| 70 | } |
| 71 | if (ustctl_set_marker_state(argv[2], channel, marker, 1, pid)) { |
| 72 | PERROR("error while trying to enable marker %s with PID %u", |
| 73 | argv[i], pid); |
| 74 | result = -1; |
| 75 | } |
| 76 | free(channel); |
| 77 | free(marker); |
| 78 | } |
| 79 | |
| 80 | return result; |
| 81 | } |
| 82 | |
| 83 | static int disable_marker(int argc, char *argv[]) |
| 84 | { |
| 85 | int i, result = 0; |
| 86 | pid_t pid; |
| 87 | char *channel, *marker; |
| 88 | |
| 89 | pid = parse_pid(argv[1]); |
| 90 | |
| 91 | for (i = 3; i < argc; i++) { |
| 92 | channel = NULL; |
| 93 | marker = NULL; |
| 94 | if (scan_ch_marker(argv[i], |
| 95 | &channel, &marker)) { |
| 96 | fprintf(stderr, "Failed to scan channel and marker from" |
| 97 | " %s\n", argv[i]); |
| 98 | if (channel) |
| 99 | free(channel); |
| 100 | if (marker) |
| 101 | free(marker); |
| 102 | return -1; |
| 103 | } |
| 104 | if (ustctl_set_marker_state(argv[2], channel, marker, 0, pid)) { |
| 105 | PERROR("error while trying to disable marker %s with PID %u", |
| 106 | argv[i], pid); |
| 107 | result = -1; |
| 108 | } |
| 109 | free(channel); |
| 110 | free(marker); |
| 111 | } |
| 112 | |
| 113 | return result; |
| 114 | } |
| 115 | |
| 116 | struct cli_cmd __cli_cmds marker_cmds[] = { |
| 117 | { |
| 118 | .name = "list-markers", |
| 119 | .description = "List markers for a given pid", |
| 120 | .help_text = "list-markers <pid>\n" |
| 121 | "List the markers in a process\n", |
| 122 | .function = list_markers, |
| 123 | .desired_args = 1, |
| 124 | .desired_args_op = CLI_EQ, |
| 125 | }, |
| 126 | { |
| 127 | .name = "enable-marker", |
| 128 | .description = "Enable markers for a given pid", |
| 129 | .help_text = "enable-marker <pid> <trace> <channel>/<marker>... \n" |
| 130 | "Enable the listed markers for the trace in process pid\n", |
| 131 | .function = enable_marker, |
| 132 | .desired_args = 3, |
| 133 | .desired_args_op = CLI_GE, |
| 134 | }, |
| 135 | { |
| 136 | .name = "disable-marker", |
| 137 | .description = "Disable markers for a given pid", |
| 138 | .help_text = "disable-marker <pid> <trace> <channel>/<marker>... \n" |
| 139 | "Disable the listed markers for the trace in process pid\n", |
| 140 | .function = disable_marker, |
| 141 | .desired_args = 3, |
| 142 | .desired_args_op = CLI_GE, |
| 143 | } |
| 144 | }; |