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[apple/system_cmds.git] / kdprof / Globals.cpp
diff --git a/kdprof/Globals.cpp b/kdprof/Globals.cpp
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-//
-//  MachineGlobals.cpp
-//  kdprof
-//
-//  Created by James McIlree on 4/17/13.
-//  Copyright (c) 2013 Apple. All rights reserved.
-//
-
-#include "global.h"
-
-Globals::Globals() :
-       _cpu_count(0),
-       _iop_count(0),
-       _kernel_size(Kernel::is_64_bit() ? KernelSize::k64 : KernelSize::k32),
-       _is_cpu_count_set(false),
-       _is_iop_count_set(false),
-       _is_kernel_size_set(false),
-       _is_summary_start_set(false),
-       _is_summary_stop_set(false),
-       _is_summary_step_set(false),
-       _is_should_print_summary_set(false),
-       _is_timebase_set(false),
-       _should_read_default_trace_codes(true),
-       _should_print_mach_absolute_timestamps(false),
-       _should_print_event_index(false),
-       _should_print_symbolic_event_codes(true),
-       _is_verbose(false),
-       _should_presort_events(false),
-       _should_print_cpu_summaries(false),
-       _should_print_process_summaries(true),
-       _should_print_thread_summaries(false),
-       _should_print_events(false),
-       _should_print_summary(false),
-       _should_zero_base_timestamps(true),
-       _should_print_process_start_stop_timestamps(false),
-       _should_print_csv_summary(false),
-       _sort_key(kSortKey::CPU)
-{
-       // Default to the current machine's values
-       mach_timebase_info(&_timebase_info);
-
-       for (auto& entry : KDBG::cpumap()) {
-               if (entry.is_iop())
-                       _iop_count++;
-               else
-                       _cpu_count++;
-       }
-
-       // If we are unable to get a cpumap,
-       // fallback on the current # of cpus
-       if (_cpu_count == 0) {
-               _cpu_count = Kernel::active_cpu_count();
-               _iop_count = 0;
-       }
-}
-
-AbsTime Globals::parse_time(const char* arg) const {
-
-       char* units;
-       uint64_t value = strtoull(arg, &units, 0);
-
-       // Unspecified units are treated as seconds
-       if (*units == 0 || strcmp(units, "s") == 0) {
-               return NanoTime(value * NANOSECONDS_PER_SECOND).abs_time(_timebase_info);
-       }
-
-       if (strcmp(units, "ms") == 0)
-               return NanoTime(value * NANOSECONDS_PER_MILLISECOND).abs_time(_timebase_info);
-
-       if (strcmp(units, "us") == 0)
-               return NanoTime(value * NANOSECONDS_PER_MICROSECOND).abs_time(_timebase_info);
-
-       if (strcmp(units, "ns") == 0)
-               return NanoTime(value).abs_time(_timebase_info);
-
-       if (strcmp(units, "mabs") == 0) {
-               return AbsTime(value);
-       }
-
-       usage("Unable to parse units on time value");
-}
-
-AbsTime Globals::summary_start(AbsInterval timespan) const {
-       AbsTime start(timespan.location());
-
-       if (is_summary_start_set()) {
-               AbsTime summary_start = parse_time(_summary_start.c_str());
-
-               bool absolute_start_stop = (_beginning_of_time == 0);
-               if (absolute_start_stop)
-                       start = summary_start;
-               else
-                       start += summary_start;
-       }
-
-       return start;
-}
-
-AbsTime Globals::summary_stop(AbsInterval timespan) const {
-
-       if (is_summary_stop_set()) {
-               AbsTime summary_stop = parse_time(_summary_stop.c_str());
-
-               bool absolute_start_stop = (_beginning_of_time == 0);
-               if (absolute_start_stop)
-                       return summary_stop;
-               else
-                       return timespan.location() + summary_stop;
-       }
-
-       return timespan.max();
-}
-
-AbsTime Globals::summary_step(AbsInterval timespan) const {
-       if (is_summary_step_set()) {
-               return parse_time(_summary_step.c_str());
-       }
-
-       return timespan.length();
-}