diff options
Diffstat (limited to 'cpukit/libmisc/capture/capture_support.c')
| -rw-r--r-- | cpukit/libmisc/capture/capture_support.c | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/cpukit/libmisc/capture/capture_support.c b/cpukit/libmisc/capture/capture_support.c new file mode 100644 index 0000000000..bdfd37b078 --- /dev/null +++ b/cpukit/libmisc/capture/capture_support.c @@ -0,0 +1,307 @@ +/* + ------------------------------------------------------------------------ + + Copyright Objective Design Systems Pty Ltd, 2002 + All rights reserved Objective Design Systems Pty Ltd, 2002 + Chris Johns (ccj@acm.org) + + COPYRIGHT (c) 1989-2014. + On-Line Applications Research Corporation (OAR). + + The license and distribution terms for this file may be + found in the file LICENSE in this distribution. + + This software with is provided ``as is'' and with NO WARRANTY. + + ------------------------------------------------------------------------ + + RTEMS Performance Monitoring and Measurement Framework. + + This is a set of print support routines that may be shared between + the RTEMS monitor and direct callers of the capture engine. + +*/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <ctype.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <inttypes.h> + +#include <rtems.h> +#include <rtems/monitor.h> +#include <rtems/captureimpl.h> + +/* + * Structure used during printing of the capture records. + */ + +typedef struct { + rtems_capture_record_t* rec; + uint32_t read; + uint32_t last_t; + uint32_t printed; +} ctrace_per_cpu_t; + +/* + * rtems_catpure_print_uptime + * + * DESCRIPTION: + * + * This function prints the nanosecond uptime to stdout. + */ +void +rtems_capture_print_timestamp (uint64_t uptime) +{ + uint32_t hours; + uint32_t minutes; + uint32_t seconds; + uint32_t nanosecs; + + seconds = uptime / 1000000000LLU; + minutes = seconds / 60; + hours = minutes / 60; + minutes = minutes % 60; + seconds = seconds % 60; + nanosecs = uptime % 1000000000; + + fprintf (stdout, "%5lu:%02lu:%02lu.%09lu", hours, minutes, seconds, nanosecs); +} + +void +rtems_capture_print_record_task( uint32_t cpu, rtems_capture_record_t* rec) +{ + rtems_capture_task_record_t* task_rec = (rtems_capture_task_record_t*) rec; + + fprintf(stdout,"%2" PRId32 " ", cpu); + rtems_capture_print_timestamp (rec->time); + fprintf (stdout, " "); + rtems_monitor_dump_id (rec->task_id); + fprintf (stdout, " %c%c%c%c", + (char) (task_rec->name >> 24) & 0xff, + (char) (task_rec->name >> 16) & 0xff, + (char) (task_rec->name >> 8) & 0xff, + (char) (task_rec->name >> 0) & 0xff); + fprintf(stdout, " %3" PRId32 " %3" PRId32 " ", + (rec->events >> RTEMS_CAPTURE_REAL_PRIORITY_EVENT) & 0xff, + (rec->events >> RTEMS_CAPTURE_CURR_PRIORITY_EVENT) & 0xff ); + fprintf (stdout, "%3" PRId32 " %3" PRId32 " TASK_RECORD\n", + task_rec->start_priority, + task_rec->stack_size); +} + +void +rtems_capture_print_record_capture( + uint32_t cpu, + rtems_capture_record_t* rec, + uint64_t diff +){ + uint32_t event; + int e; + + event = rec->events >> RTEMS_CAPTURE_EVENT_START; + for (e = RTEMS_CAPTURE_EVENT_START; e < RTEMS_CAPTURE_EVENT_END; e++) + { + if (event & 1) + { + fprintf(stdout,"%2" PRId32 " ", cpu); + rtems_capture_print_timestamp (rec->time); + fprintf (stdout, " %10" PRId64 " ", diff); + rtems_monitor_dump_id (rec->task_id); + fprintf(stdout, " %3" PRId32 " %3" PRId32 " %s\n", + (rec->events >> RTEMS_CAPTURE_REAL_PRIORITY_EVENT) & 0xff, + (rec->events >> RTEMS_CAPTURE_CURR_PRIORITY_EVENT) & 0xff, + rtems_capture_event_text (e)); + } + event >>= 1; + } +} + +/* + * rtems_capture_print_trace_records + * + * DESCRIPTION: + * + * This function is a monitor command that dumps trace records. + * + */ + +void +rtems_capture_print_trace_records ( int total, bool csv ) +{ + rtems_status_code sc; + int count; + ctrace_per_cpu_t* per_cpu; + uint8_t* ptr; + uint32_t i; + uint32_t cpu = 0; + rtems_capture_record_t* rec_out; + + count = rtems_get_processor_count(); + per_cpu = calloc( count, sizeof(*per_cpu) ); + + while (total) + { + /* Prime the per_cpu data */ + for (i=0; i< count; i++) { + if ( per_cpu[i].read == 0 ) { + sc = rtems_capture_read (i, &per_cpu[i].read, &per_cpu[i].rec); + if (sc != RTEMS_SUCCESSFUL) + { + fprintf (stdout, "error: trace read failed: %s\n", rtems_status_text (sc)); + rtems_capture_flush (0); + return; + } + /* Release the buffer if there are no records to read */ + if (per_cpu[i].read == 0) + rtems_capture_release (i, 0); + } + } + + /* Find the next record to print */ + rec_out = NULL; + for (i=0; i< count; i++) { + + if ((rec_out == NULL) || + ((per_cpu[i].read != 0) && (rec_out->time > per_cpu[i].rec->time))) { + rec_out = per_cpu[i].rec; + cpu = i; + } + } + + /* If we have read all the records abort. */ + if (rec_out == NULL) + break; + + /* Print the record */ + if (csv) + fprintf (stdout, "%03" PRIu32 ",%08" PRIu32 ",%03" PRIu32 + ",%03" PRIu32 ",%04" PRIx32 ",%" PRId64 "\n", + cpu, rec_out->task_id, + (rec_out->events >> RTEMS_CAPTURE_REAL_PRIORITY_EVENT) & 0xff, + (rec_out->events >> RTEMS_CAPTURE_CURR_PRIORITY_EVENT) & 0xff, + (rec_out->events >> RTEMS_CAPTURE_EVENT_START), + (uint64_t) rec_out->time); + else { + if ((rec_out->events >> RTEMS_CAPTURE_EVENT_START) == 0) + rtems_capture_print_record_task(cpu, rec_out ); + else { + uint64_t diff = 0; + if (per_cpu[cpu].last_t) + diff = rec_out->time - per_cpu[cpu].last_t; + per_cpu[cpu].last_t = rec_out->time; + + rtems_capture_print_record_capture( cpu, rec_out, diff ); + } + } + + /* + * If we have not printed all the records read + * increment to the next record. If we have + * printed all records release the records printed. + */ + per_cpu[cpu].printed++; + if (per_cpu[cpu].printed != per_cpu[cpu].read) { + ptr = (uint8_t *)per_cpu[cpu].rec; + ptr += per_cpu[cpu].rec->size; + per_cpu[cpu].rec = (rtems_capture_record_t *)ptr; + } else { + rtems_capture_release (cpu, per_cpu[cpu].printed); + per_cpu[cpu].read = 0; + per_cpu[cpu].printed = 0; + } + + total --; + } + + /* Finished so release all the records that were printed. */ + for (i=0; i< count; i++) { + if ( per_cpu[i].read != 0 ) { + rtems_capture_release( i, per_cpu[i].printed ); + } + } + + free( per_cpu ); +} + +void +rtems_capture_print_watch_list () +{ + rtems_capture_control_t* control = rtems_capture_get_control_list (); + rtems_task_priority ceiling = rtems_capture_watch_get_ceiling (); + rtems_task_priority floor = rtems_capture_watch_get_floor (); + + fprintf (stdout, "watch priority ceiling is %" PRId32 "\n", ceiling); + fprintf (stdout, "watch priority floor is %" PRId32 "\n", floor); + fprintf (stdout, "global watch is %s\n", + rtems_capture_watch_global_on () ? "enabled" : "disabled"); + fprintf (stdout, "total %" PRId32 "\n", rtems_capture_control_count ()); + + while (control) + { + uint32_t flags; + int f; + int fshowed; + int lf; + + fprintf (stdout, " "); + rtems_monitor_dump_id (rtems_capture_control_id (control)); + fprintf (stdout, " "); + rtems_monitor_dump_name (rtems_capture_control_name (control)); + flags = rtems_capture_control_flags (control); + fprintf (stdout, " %c%c ", + rtems_capture_watch_global_on () ? 'g' : '-', + flags & RTEMS_CAPTURE_WATCH ? 'w' : '-'); + flags = rtems_capture_control_to_triggers (control); + fprintf (stdout, " T:%c%c%c%c%c%c%c", + flags & RTEMS_CAPTURE_SWITCH ? 'S' : '-', + flags & RTEMS_CAPTURE_CREATE ? 'C' : '-', + flags & RTEMS_CAPTURE_START ? 'S' : '-', + flags & RTEMS_CAPTURE_RESTART ? 'R' : '-', + flags & RTEMS_CAPTURE_DELETE ? 'D' : '-', + flags & RTEMS_CAPTURE_BEGIN ? 'B' : '-', + flags & RTEMS_CAPTURE_EXITTED ? 'E' : '-'); + flags = rtems_capture_control_from_triggers (control); + fprintf (stdout, " F:%c%c%c%c%c", + flags & RTEMS_CAPTURE_SWITCH ? 'S' : '-', + flags & RTEMS_CAPTURE_CREATE ? 'C' : '-', + flags & RTEMS_CAPTURE_START ? 'S' : '-', + flags & RTEMS_CAPTURE_RESTART ? 'R' : '-', + flags & RTEMS_CAPTURE_DELETE ? 'D' : '-'); + + for (f = 0, fshowed = 0, lf = 1; f < RTEMS_CAPTURE_TRIGGER_TASKS; f++) + { + if (rtems_capture_control_by_valid (control, f)) + { + if (lf && ((fshowed % 3) == 0)) + { + fprintf (stdout, "\n"); + lf = 0; + } + + fprintf (stdout, " %2i:", f); + rtems_monitor_dump_name (rtems_capture_control_by_name (control, f)); + fprintf (stdout, "/"); + rtems_monitor_dump_id (rtems_capture_control_by_id (control, f)); + flags = rtems_capture_control_by_triggers (control, f); + fprintf (stdout, ":%c%c%c%c%c", + flags & RTEMS_CAPTURE_SWITCH ? 'S' : '-', + flags & RTEMS_CAPTURE_CREATE ? 'C' : '-', + flags & RTEMS_CAPTURE_START ? 'S' : '-', + flags & RTEMS_CAPTURE_RESTART ? 'R' : '-', + flags & RTEMS_CAPTURE_DELETE ? 'D' : '-'); + fshowed++; + lf = 1; + } + } + + if (lf) + fprintf (stdout, "\n"); + + control = rtems_capture_next_control (control); + } +} |