Diag » History » Version 8
laforge, 12/17/2016 10:54 AM
| 1 | 4 | laforge | {{>toc}} |
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| 2 | |||
| 3 | 1 | laforge | h1. Diag |
| 4 | |||
| 5 | 6 | laforge | FIXME |
| 6 | |||
| 7 | 1 | laforge | h2. Acronyms |
| 8 | |||
| 9 | |DCI|Diag Consumer Interface| |
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| 10 | |||
| 11 | 4 | laforge | h2. Child Pages |
| 12 | |||
| 13 | {{child_pages()}} |
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| 14 | 6 | laforge | |
| 15 | h2. Subsystems |
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| 16 | |||
| 17 | h3. Logging |
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| 18 | |||
| 19 | Logging works by so-called log-codes. The Log code identifies the source/category of the logged information. Log codes are 16bit unsigned integers. |
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| 20 | |||
| 21 | |_.Base Code|_.Purpose| |
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| 22 | |0x1000|CDMA 1x| |
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| 23 | |0x4000|WCDMA| |
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| 24 | |0x5000|GSM| |
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| 25 | |0x6000|Location Based Services| |
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| 26 | |0x7000|UMTS| |
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| 27 | |0x8000|TDMA| |
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| 28 | |0xA000|DTV| |
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| 29 | |0xB000|APPS| |
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| 30 | |0xB010|LTE (until 0xB1FF)| |
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| 31 | |0xB400|WIMAX| |
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| 32 | |0xC000|DSP| |
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| 33 | |0xD000|TD-SCDMA (until 0xD1FF)| |
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| 34 | |0xF000|LOG TOOLS| |
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| 35 | 4 | laforge | |
| 36 | 3 | laforge | h2. Kernel support |
| 37 | |||
| 38 | 1 | laforge | See [[Qualcomm_Kernel#diag]] |
| 39 | |||
| 40 | 4 | laforge | h2. Library |
| 41 | 1 | laforge | |
| 42 | 4 | laforge | There is @/usr/lib/libdiag.so.1@ which is linked by virtually any Qualcomm or Quectel proprietary program running on the Linux in the Modem. |
| 43 | |||
| 44 | it offers the follwing symbols: |
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| 45 | <pre> |
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| 46 | |||
| 47 | 4af43a7c g DF .text»·0000014c Base log_submit |
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| 48 | 4af4d128 g DO .data»·000001d0 Base pools |
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| 49 | 4af40578 g DF .text»·0000000c Base diag_vote_md_real_time |
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| 50 | 4af45f54 g DF .text»·000000b0 Base DiagSvc_Free |
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| 51 | 4af42f98 g DF .text»·000000ec Base diag_dci_get_real_time_status_proc |
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| 52 | 4af45278 g DF .text»·00000080 Base diagpkt_subsys_get_delayed_rsp_id |
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| 53 | 4af456f8 g DF .text»·000001cc Base diagpkt_subsys_alloc_v2 |
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| 54 | 4af3fed4 g DF .text»·00000450 Base diag_read_mask_file_list |
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| 55 | 4af4515c g DF .text»·00000020 Base diagpkt_subsys_get_cmd_code |
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| 56 | 4af436f8 g DF .text»·00000024 Base Diag_LSM_Event_DeInit |
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| 57 | 4af3cd80 g DF .text»·00000174 Base diag_wakelock_init |
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| 58 | 4af4ecf8 g DO .data»·000001f4 Base mask_file2 |
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| 59 | 4b044b30 g DO .bss»··00000004 Base cleanup_mask |
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| 60 | 4af41f54 g DF .text»·00000160 Base diag_register_dci_client |
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| 61 | 4af4eeec g DO .data»·000001f4 Base mask_file |
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| 62 | 4af444e8 g DF .text»·000000e8 Base msg_send_var |
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| 63 | 4af458c4 g DF .text»·000000ac Base diagpkt_subsys_alloc_v2_delay |
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| 64 | 4b044b5c g DO .bss»··00000004 Base log_to_memory |
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| 65 | 4af453f4 g DF .text»·000000b8 Base diagpkt_alloc |
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| 66 | 4b025b98 g DO .bss»··00000004 Base db_thread_initialized |
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| 67 | 4af3bacc g DF .init»·00000000 Base _init |
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| 68 | 4b044a28 g DO .bss»··00000030 Base stop_cond |
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| 69 | 4af41808 g DF .text»·00000110 Base diag_hdlc_toggle |
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| 70 | 4af3cf5c g DF .text»·000000b0 Base diag_wakelock_acquire |
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| 71 | 4b044b6c g DO .bss»··00000004 Base parser_state |
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| 72 | 4b044b60 g DO .bss»··00000004 Base num_bytes_read |
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| 73 | 4af43884 g DF .text»·00000054 Base log_update_dci_mask |
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| 74 | 4af40324 g DF .text»·00000004 Base send_mask_modem |
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| 75 | 4af4f310 g DO .data»·00000004 Base qsr4_db_file_fd |
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| 76 | 4b0448c8 g DO .bss»··00000098 Base qsr4_db_write_buf_pool |
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| 77 | 4af4342c g DF .text»·0000005c Base event_update_mask |
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| 78 | 4af3c2b0 g DF .text»·00000014 Base mask_sync_initialize |
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| 79 | 4b042e00 g DO .bss»··00001388 Base file_name_curr |
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| 80 | 4af445d0 g DF .text»·00000264 Base msg_sprintf |
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| 81 | 4af4e910 g DO .data»·000001f4 Base mask_file_mdm2 |
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| 82 | 4af435a8 g DF .text»·000000f0 Base event_report_payload |
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| 83 | 4af46088 g DF .text»·00000098 Base DiagSvc_Malloc_Init |
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| 84 | 4af42190 g DF .text»·00000194 Base diag_release_dci_client |
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| 85 | 4af3ccb0 g DF .text»·00000054 Base update_sync_mask |
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| 86 | 4af3f934 g DF .text»·0000014c Base diag_send_socket_data |
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| 87 | 4af420b4 g DF .text»·00000094 Base diag_register_dci_stream_proc |
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| 88 | 4af45e68 g DF .text»·000000ec Base DiagSvc_Malloc |
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| 89 | 4b044a58 g DO .bss»··00000028 Base buffer_init |
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| 90 | 4af4bfd8 g DO .rodata»·······00000004 Base msg_mask_tbl_size |
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| 91 | 4b025b8c g DO .bss»··00000004 Base curr_write_idx |
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| 92 | 4af46834 g DF .text»·00000094 Base diag_logger_flush |
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| 93 | 4b044aa8 g DO .bss»··00000028 Base pool0_buffers |
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| 94 | 4af43bc8 g DF .text»·0000000c Base log_set_length |
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| 95 | 4b044b7c g DO .bss»··00000001 Base hdlc_disabled |
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| 96 | 4af4f314 g DO .data»·00000028 Base fd_qsr4_xml |
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| 97 | 4af4d394 g DO .data»·000001f4 Base qsr4_xml_file_name |
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| 98 | 4af45c30 g DF .text»·00000238 Base diagpkt_LSM_process_request |
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| 99 | 4af40680 g DF .text»·0000000c Base diag_get_real_time_status |
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| 100 | 4af44d70 g DF .text»·00000100 Base Diag_LSM_Pkt_DeInit |
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| 101 | 4af40864 g DF .text»·000004f4 Base flush_buffer |
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| 102 | 4af40494 g DF .text»·00000018 Base diag_callback_send_data |
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| 103 | 4b044188 g DO .bss»··00000200 Base dci_cumulative_event_mask |
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| 104 | 4b044b44 g DO .bss»··00000004 Base dci_transaction_id |
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| 105 | 4af42940 g DF .text»·0000010c Base diag_get_health_stats_proc |
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| 106 | 4b044b10 g DO .bss»··00000018 Base stop_mutex |
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| 107 | 4af42a4c g DF .text»·0000002c Base diag_get_health_stats |
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| 108 | 4af43a68 g DF .text»·00000014 Base log_free |
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| 109 | 4af4eb04 g DO .data»·000001f4 Base mask_file_mdm |
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| 110 | 4af452f8 g DF .text»·00000080 Base diagpkt_subsys_reset_delayed_rsp_id |
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| 111 | 4af46418 g DF .text»·00000210 Base diag_logger_init |
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| 112 | 4af3c2c4 g DF .text»·00000040 Base dummy_handler |
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| 113 | 4af3f870 g DF .text»·000000c4 Base diag_send_data |
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| 114 | 4af488ac g DF .text»·00000234 Base diag_kill_qshrink4_threads |
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| 115 | 4af41b20 g DF .text»·0000002c Base ts_get_lohi |
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| 116 | 4af45378 g DF .text»·0000007c Base diagpkt_subsys_set_rsp_cnt |
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| 117 | 4af482b4 g DF .text»·00000030 Base diag_notify_parser_thread |
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| 118 | 4af42c88 g DF .text»·000000f8 Base diag_disable_all_logs |
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| 119 | 4af45a2c g DF .text»·00000204 Base diagpkt_commit |
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| 120 | 4b0238e4 g DO .bss»··00000004 Base proc_type |
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| 121 | 4af42670 g DF .text»·00000160 Base diag_log_stream_config |
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| 122 | 4af43c28 g DF .text»·00000034 Base log_status |
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| 123 | 4af4415c g DF .text»·000000a4 Base msg_send |
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| 124 | 4af3e4b0 g DF .text»·00000470 Base WriteToDisk |
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| 125 | 4af43d04 g DF .text»·00000050 Base Diag_LSM_Log_DeInit |
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| 126 | 4af4f2d4 g DO .data»·00000004 Base fd_dev |
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| 127 | 4af43084 g DF .text»·0000000c Base diag_dci_get_real_time_status |
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| 128 | 4b0449c4 g DO .bss»··00000032 Base qsr4_db_cmd_req_buf |
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| 129 | 4af45694 g DF .text»·00000064 Base diagpkt_subsys_alloc |
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| 130 | 4af3cc64 g DF .text»·0000004c Base get_sync_mask |
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| 131 | 4af425bc g DF .text»·000000a8 Base diag_get_dci_support_list_proc |
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| 132 | 4af40584 g DF .text»·000000fc Base diag_get_real_time_status_proc |
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| 133 | 4b044af8 g DO .bss»··00000018 Base qsr4_read_db_mutex |
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| 134 | 4b044388 g DO .bss»··000001f4 Base dir_name |
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| 135 | 4af3d210 g DF .text»·0000005c Base diag_set_socket_fd |
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| 136 | 4af4115c g DF .text»·0000001c Base diag_switch_logging_proc |
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| 137 | 4af45124 g DF .text»·0000000c Base diagpkt_get_cmd_code |
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| 138 | 4af4517c g DF .text»·00000080 Base diagpkt_subsys_get_status |
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| 139 | 4b044b58 g DO .bss»··00000004 Base in_read |
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| 140 | 4af43698 g DF .text»·00000060 Base Diag_LSM_Event_Init |
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| 141 | 4b044b48 g DO .bss»··00000004 Base diag_dci_error_type |
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| 142 | 4af42d80 g DF .text»·000000f8 Base diag_disable_all_events |
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| 143 | 4b044960 g DO .bss»··00000064 Base pid_file |
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| 144 | 4b044b70 g DO .bss»··00000004 Base qsr4_db_parser_thread_hdl |
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| 145 | 4b044b68 g DO .bss»··00000004 Base num_dci_proc |
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| 146 | 4b025b84 g DO .bss»··00000004 Base in_wait_for_peripheral_status |
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| 147 | 4b044b78 g DO .bss»··00000004 Base write_in_progress |
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| 148 | 4af44d34 g DF .text»·0000003c Base Diag_LSM_Pkt_Init |
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| 149 | 4af4d328 g DO .data»·00000004 Base max_file_size |
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| 150 | 4af41a18 g DF .text»·00000108 Base ts_get |
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| 151 | 4af42b80 g DF .text»·00000108 Base diag_get_event_status |
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| 152 | 4af43bfc g DF .text»·00000014 Base log_set_timestamp |
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| 153 | 4b044b34 g DO .bss»··00000004 Base curr_read |
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| 154 | 4af43090 g DF .text»·000000b4 Base diag_register_dci_signal_data |
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| 155 | 4af45970 g DF .text»·00000040 Base diagpkt_shorten |
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| 156 | 4b025b90 g DO .bss»··00000004 Base curr_read_idx |
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| 157 | 4b044ad0 g DO .bss»··00000028 Base pool1_buffers |
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| 158 | 4af41d38 g DF .text»·0000021c Base lookup_pkt_rsp_transaction |
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| 159 | 4b0238f0 g DO .bss»··00000004 Base diag_disable_console |
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| 160 | 4af4d320 g DO .data»·00000004 Base max_file_num |
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| 161 | 4af42324 g DF .text»·00000298 Base diag_send_dci_async_req |
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| 162 | 4af43c10 g DF .text»·0000000c Base log_get_length |
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| 163 | 4af45130 g DF .text»·0000000c Base diagpkt_set_cmd_code |
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| 164 | 4af451fc g DF .text»·0000007c Base diagpkt_subsys_set_status |
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| 165 | 4af41744 g DF .text»·000000c4 Base diag_peripheral_buffering_drain_immediate |
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| 166 | 4b044770 g DO .bss»··00000155 Base event_mask |
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| 167 | 4af439b4 g DF .text»·000000b4 Base log_commit |
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| 168 | 4af4d324 g DO .data»·00000004 Base min_file_size |
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| 169 | 4b02394c g DO .bss»··00000004 Base gdwClientID |
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| 170 | 4af44200 g DF .text»·000000b4 Base msg_send_ts |
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| 171 | 4b044b74 g DO .bss»··00000004 Base read_thread_hdl |
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| 172 | 4af3d26c g DF .text»·0000004c Base valid_token |
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| 173 | 4af41918 g DF .text»·0000005c Base add_guid_to_qshrink4_header |
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| 174 | 4b03e240 g DO .bss»··00004bc0 Base msg_mask |
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| 175 | 4b0238f4 g DO .bss»··00000028 Base file_list_size |
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| 176 | 4af43bd4 g DF .text»·0000001c Base log_shorten |
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| 177 | 4af45a18 g DF .text»·00000014 Base diagpkt_free |
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| 178 | 4af4f2d8 g DO .data»·00000008 Base fd_socket |
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| 179 | 4b044b54 g DO .bss»··00000004 Base flush_log |
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| 180 | 4af482e4 g DF .text»·000002b4 Base create_diag_qshrink4_db_parser_thread |
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| 181 | 4af3fb3c g DF .text»·00000398 Base diag_read_mask_file |
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| 182 | 4af43144 g DF .text»·000000ac Base diag_deregister_dci_signal_data |
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| 183 | 4b044b64 g DO .bss»··00000004 Base num_dci_clients_event |
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| 184 | 4af4d358 g DO .data»·0000003c Base proc_name |
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| 185 | 4af41d10 g DF .text»·00000028 Base diag_lsm_dci_deinit |
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| 186 | 4af3d00c g DF .text»·000000b0 Base diag_wakelock_release |
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| 187 | 4b025ba0 g DO .bss»··000186a0 Base read_buffer |
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| 188 | 4af4513c g DF .text»·00000020 Base diagpkt_subsys_get_id |
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| 189 | 4b04457c g DO .bss»··000001f4 Base peripheral_name |
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| 190 | 4af411a4 g DF .text»·0000042c Base Diag_LSM_Init |
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| 191 | 4af415d0 g DF .text»·00000174 Base diag_configure_peripheral_buffering_tx_mode |
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| 192 | 4b044b38 g DO .bss»··00000004 Base curr_write |
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| 193 | 4af404ac g DF .text»·00000018 Base diag_callback_send_data_hdlc |
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| 194 | 4af448dc g DF .text»·000000ac Base qsr_msg_send_1 |
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| 195 | 4af44988 g DF .text»·000000b4 Base qsr_msg_send_2 |
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| 196 | 4b044b3c g DO .bss»··00000004 Base db_write_thread_hdl |
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| 197 | 4af44bd4 g DF .text»·00000024 Base Diag_LSM_Msg_Init |
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| 198 | 4af44a3c g DF .text»·000000bc Base qsr_msg_send_3 |
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| 199 | 4af4d2f8 g DO .data»·00000028 Base token_list |
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| 200 | 4af3d148 g DF .text»·00000054 Base diag_has_remote_device |
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| 201 | 4af3f754 g DF .text»·0000011c Base diag_register_remote_callback |
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| 202 | 4b025b88 g DO .bss»··00000004 Base in_write |
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| 203 | 4b02391c g DO .bss»··00000028 Base file_list |
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| 204 | 4af46120 g DF .text»·00000238 Base process_incoming_data |
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| 205 | 4af3d3d4 g DF .text»·000002dc Base delete_log |
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| 206 | 4af3d6b0 g DF .text»·00000e00 Base log_to_device |
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| 207 | 4af4d354 g DO .data»·00000004 Base logging_mode |
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| 208 | 4af43bf0 g DF .text»·0000000c Base log_set_code |
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| 209 | 4af454ac g DF .text»·000001e8 Base diagpkt_delay_commit |
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| 210 | 4b044b50 g DO .bss»··00000004 Base flush_in_progress |
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| 211 | 4af431f0 g DF .text»·00000064 Base diag_send_to_output |
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| 212 | 4af3d0bc g DF .text»·00000008 Base diag_get_max_channels |
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| 213 | 4af43c5c g DF .text»·000000a8 Base Diag_LSM_Log_Init |
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| 214 | 4af4f0e0 g DO .data»·000001f4 Base file_name_del |
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| 215 | 4b023944 g DO .bss»··00000004 Base uart_logging_proc |
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| 216 | 4af46004 g DF .text»·00000084 Base DiagSvc_Malloc_Exit |
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| 217 | 4af4d588 g DO .data»·00001388 Base output_dir |
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| 218 | 4af427d0 g DF .text»·00000170 Base diag_event_stream_config |
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| 219 | 4af4068c g DF .text»·000001d8 Base Diag_LSM_DeInit |
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| 220 | 4af44e70 g DF .text»·000002b4 Base diagpkt_tbl_reg |
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| 221 | 4af42e78 g DF .text»·00000120 Base diag_dci_vote_real_time |
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| 222 | 4b025b94 g DO .bss»··00000004 Base kill_thread |
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| 223 | 4b023948 g DO .bss»··00000004 Base count_written_bytes_1 |
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| 224 | 4af44834 g DF .text»·000000a8 Base qsr_msg_send |
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| 225 | 4af434f4 g DF .text»·000000b4 Base event_report |
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| 226 | 4af4f30c g DO .data»·00000004 Base diag_fd |
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| 227 | 4af43488 g DF .text»·0000006c Base event_update_dci_mask |
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| 228 | 4af42664 g DF .text»·0000000c Base diag_get_dci_support_list |
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| 229 | 4af437d8 g DF .text»·000000ac Base log_update_mask |
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| 230 | 4af48598 g DF .text»·00000314 Base parse_data_for_qsr4_db_file_op_rsp |
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| 231 | 4af4d32c g DO .data»·00000028 Base file_list_index |
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| 232 | 4b0238ec g DO .bss»··00000004 Base rename_file_names |
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| 233 | 4af3f694 g DF .text»·000000c0 Base diag_register_callback |
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| 234 | 4af41b84 g DF .text»·0000018c Base diag_lsm_dci_init |
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| 235 | 4af404c4 g DF .text»·000000b4 Base diag_vote_md_real_time_proc |
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| 236 | 4af442b4 g DF .text»·000000b4 Base msg_send_1 |
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| 237 | 4af44368 g DF .text»·000000bc Base msg_send_2 |
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| 238 | 4af44424 g DF .text»·000000c4 Base msg_send_3 |
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| 239 | 4af3cf48 g DF .text»·00000014 Base diag_is_wakelock_init |
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| 240 | 4b044b4c g DO .bss»··00000004 Base disk_write_hdl |
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| 241 | 4af3d19c g DF .text»·00000074 Base diag_register_socket_cb |
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| 242 | 4af44c10 g DF .text»·000000c0 Base msg_update_mask |
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| 243 | 4af41974 g DF .text»·00000014 Base diag_set_peripheral_mask |
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| 244 | 4af438d8 g DF .text»·000000dc Base log_alloc |
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| 245 | 4b044b40 g DO .bss»··00000004 Base dci_client_tbl |
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| 246 | 4af3cd04 g DF .text»·0000007c Base do_mask_sync |
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| 247 | 4b044b7d g DO .bss»··00000001 Base write_qshrink_header |
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| 248 | 4af4f2e0 g DO .data»·00000004 Base fd_uart |
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| 249 | 4af44af8 g DF .text»·000000dc Base qsr_msg_send_var |
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| 250 | 4b044b28 g DO .bss»··00000008 Base periph_info |
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| 251 | 4af468c8 g DF .text»·00000074 Base diag_logger_exit |
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| 252 | 4af3fa80 g DF .text»·000000bc Base send_empty_mask |
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| 253 | 4b023954 g DO .bss»··00000004 Base gnDiag_LSM_Event_Initialized |
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| 254 | 4af459b0 g DF .text»·00000068 Base diagpkt_err_rsp |
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| 255 | 4af46628 g DF .text»·0000020c Base diag_logger_write |
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| 256 | 4af42a78 g DF .text»·00000108 Base diag_get_log_status |
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| 257 | 4b0449f8 g DO .bss»··00000030 Base qsr4_read_db_cond |
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| 258 | 4b0238e8 g DO .bss»··00000004 Base rename_dir_name |
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| 259 | 4af3cef4 g DF .text»·00000054 Base diag_wakelock_destroy |
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| 260 | 4af42148 g DF .text»·00000048 Base diag_register_dci_stream |
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| 261 | 4af43c1c g DF .text»·0000000c Base log_get_code |
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| 262 | 4af4f348 g DO .data.rel.ro.local»····00000120 Base msg_mask_tbl |
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| 263 | 4af44bf8 g DF .text»·00000018 Base Diag_LSM_Msg_DeInit |
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| 264 | 4af3d0c4 g DF .text»·00000084 Base to_integer |
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| 265 | 4af48e08 g DF .fini»·00000000 Base _fini |
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| 266 | 4af3d2b8 g DF .text»·0000011c Base diag_get_peripheral_name_from_mask |
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| 267 | 4b044a80 g DO .bss»··00000028 Base count_written_bytes |
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| 268 | 4af41178 g DF .text»·0000002c Base diag_switch_logging |
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| 269 | 4af4f2e4 g DO .data»·00000028 Base fd_md |
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| 270 | </pre> |
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| 271 | 5 | laforge | |
| 272 | h3. Logging Service API |
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| 273 | |||
| 274 | This is about sending log messages via the Diag interface. |
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| 275 | |||
| 276 | |_.Function|_.Purpose| |
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| 277 | |log_alloc(u16 code, len)|Allocate a buffer + fill header| |
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| 278 | |log_shorten(ptr, len)|Shorten the length of a previously allocated buffer| |
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| 279 | |log_commit(ptr)|Send the log to diag| |
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| 280 | |log_free(ptr)|Free a buffer previously allocated with log_alloc()| |
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| 281 | |log_submit(ptr)|Convenience wrapper around log_alloc()/memcpy()/log_commit()| |
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| 282 | |||
| 283 | 7 | laforge | On the [[EC25]], it seems only the following Linux programs use the avove API to generate logs via Diag: |
| 284 | * @/usr/bin/cnss_diag@ |
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| 285 | * @/usr/bin/ftmdaemon@ |
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| 286 | * @/usr/bin/mbimd@ |
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| 287 | * @/usr/bin/test_diag@ |
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| 288 | |||
| 289 | 5 | laforge | h3. Diag Consumer Interface |
| 290 | |||
| 291 | 1 | laforge | This seems to be about implementing a program that consumes Diag events. You can register to certain events/masks and then receive the related information in call-backs. |
| 292 | 8 | laforge | |
| 293 | |_.Function|_.Description| |
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| 294 | |diag_lsm_dci_init()|Initialize DCI subsystem of libdiag| |
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| 295 | |diag_register_dci_client()|Register a DCI client| |
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| 296 | |diag_get_dci_support_list()|Get list of peripherals supported| |
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| 297 | |diag_register_dci_stream()|Register call-backs for events and logs| |
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| 298 | |diag_event_stream_config()|Set up event streaming to the client| |
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| 299 | |diag_log_stream_config()|Specify array of requested log codes| |
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| 300 | |diag_get_health_stats()|Get statistics about missed/succeeded logs and events| |
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| 301 | |diag_register_dci_signal_data()|Request OS signal when DCI data is received| |
