tools/tracing/rtla/src/osnoise.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "trace.h"
   3
   4 /*
   5  * osnoise_context - read, store, write, restore osnoise configs.
   6  */
   7 struct osnoise_context {
   8         int                     flags;
   9         int                     ref;
  10
  11         char                    *curr_cpus;
  12         char                    *orig_cpus;
  13
  14         /* 0 as init value */
  15         unsigned long long      orig_runtime_us;
  16         unsigned long long      runtime_us;
  17
  18         /* 0 as init value */
  19         unsigned long long      orig_period_us;
  20         unsigned long long      period_us;
  21
  22         /* 0 as init value */
  23         long long               orig_timerlat_period_us;
  24         long long               timerlat_period_us;
  25
  26         /* 0 as init value */
  27         long long               orig_tracing_thresh;
  28         long long               tracing_thresh;
  29
  30         /* -1 as init value because 0 is disabled */
  31         long long               orig_stop_us;
  32         long long               stop_us;
  33
  34         /* -1 as init value because 0 is disabled */
  35         long long               orig_stop_total_us;
  36         long long               stop_total_us;
  37
  38         /* -1 as init value because 0 is disabled */
  39         long long               orig_print_stack;
  40         long long               print_stack;
  41
  42         /* -1 as init value because 0 is off */
  43         int                     orig_opt_irq_disable;
  44         int                     opt_irq_disable;
  45
  46         /* -1 as init value because 0 is off */
  47         int                     orig_opt_workload;
  48         int                     opt_workload;
  49 };
  50
  51 /*
  52  * *_INIT_VALs are also invalid values, they are used to
  53  * communicate errors.
  54  */
  55 #define OSNOISE_OPTION_INIT_VAL (-1)
  56 #define OSNOISE_TIME_INIT_VAL   (0)
  57
  58 struct osnoise_context *osnoise_context_alloc(void);
  59 int osnoise_get_context(struct osnoise_context *context);
  60 void osnoise_put_context(struct osnoise_context *context);
  61
  62 int osnoise_set_cpus(struct osnoise_context *context, char *cpus);
  63 void osnoise_restore_cpus(struct osnoise_context *context);
  64
  65 int osnoise_set_runtime_period(struct osnoise_context *context,
  66                                unsigned long long runtime,
  67                                unsigned long long period);
  68 void osnoise_restore_runtime_period(struct osnoise_context *context);
  69
  70 int osnoise_set_stop_us(struct osnoise_context *context,
  71                         long long stop_us);
  72 void osnoise_restore_stop_us(struct osnoise_context *context);
  73
  74 int osnoise_set_stop_total_us(struct osnoise_context *context,
  75                               long long stop_total_us);
  76 void osnoise_restore_stop_total_us(struct osnoise_context *context);
  77
  78 int osnoise_set_timerlat_period_us(struct osnoise_context *context,
  79                                    long long timerlat_period_us);
  80 void osnoise_restore_timerlat_period_us(struct osnoise_context *context);
  81
  82 int osnoise_set_tracing_thresh(struct osnoise_context *context,
  83                                long long tracing_thresh);
  84 void osnoise_restore_tracing_thresh(struct osnoise_context *context);
  85
  86 void osnoise_restore_print_stack(struct osnoise_context *context);
  87 int osnoise_set_print_stack(struct osnoise_context *context,
  88                             long long print_stack);
  89
  90 int osnoise_set_irq_disable(struct osnoise_context *context, bool onoff);
  91 int osnoise_set_workload(struct osnoise_context *context, bool onoff);
  92
  93 /*
  94  * osnoise_tool -  osnoise based tool definition.
  95  */
  96 struct osnoise_tool {
  97         struct trace_instance           trace;
  98         struct osnoise_context          *context;
  99         void                            *data;
 100         void                            *params;
 101         time_t                          start_time;
 102 };
 103
 104 void osnoise_destroy_tool(struct osnoise_tool *top);
 105 struct osnoise_tool *osnoise_init_tool(char *tool_name);
 106 struct osnoise_tool *osnoise_init_trace_tool(char *tracer);
 107
 108 int osnoise_hist_main(int argc, char *argv[]);
 109 int osnoise_top_main(int argc, char **argv);
 110 int osnoise_main(int argc, char **argv);
 111 int hwnoise_main(int argc, char **argv);