base/process/process_metrics_openbsd.cc - Issue 1647803004: Move base to DEPS

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Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 4 years, 10 months ago

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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "base/process/process_metrics.h"

6

7 #include <sys/param.h>

8 #include <sys/sysctl.h>

9

10 namespace base {

11

12 // static

13 ProcessMetrics* ProcessMetrics::CreateProcessMetrics(ProcessHandle process) {

14 return new ProcessMetrics(process);

15 }

16

17 size_t ProcessMetrics::GetPagefileUsage() const {

18 struct kinfo_proc info;

19 size_t length;

20 int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process_,

21 sizeof(struct kinfo_proc), 0 };

22

23 if (sysctl(mib, arraysize(mib), NULL, &length, NULL, 0) < 0)

24 return -1;

25

26 mib[5] = (length / sizeof(struct kinfo_proc));

27

28 if (sysctl(mib, arraysize(mib), &info, &length, NULL, 0) < 0)

29 return -1;

30

31 return (info.p_vm_tsize + info.p_vm_dsize + info.p_vm_ssize);

32 }

33

34 size_t ProcessMetrics::GetPeakPagefileUsage() const {

35 return 0;

36 }

37

38 size_t ProcessMetrics::GetWorkingSetSize() const {

39 struct kinfo_proc info;

40 size_t length;

41 int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process_,

42 sizeof(struct kinfo_proc), 0 };

43

44 if (sysctl(mib, arraysize(mib), NULL, &length, NULL, 0) < 0)

45 return -1;

46

47 mib[5] = (length / sizeof(struct kinfo_proc));

48

49 if (sysctl(mib, arraysize(mib), &info, &length, NULL, 0) < 0)

50 return -1;

51

52 return info.p_vm_rssize * getpagesize();

53 }

54

55 size_t ProcessMetrics::GetPeakWorkingSetSize() const {

56 return 0;

57 }

58

59 bool ProcessMetrics::GetMemoryBytes(size_t* private_bytes,

60 size_t* shared_bytes) {

61 WorkingSetKBytes ws_usage;

62

63 if (!GetWorkingSetKBytes(&ws_usage))

64 return false;

65

66 if (private_bytes)

67 *private_bytes = ws_usage.priv << 10;

68

69 if (shared_bytes)

70 shared_bytes = ws_usage.shared 1024;

71

72 return true;

73 }

74

75 bool ProcessMetrics::GetWorkingSetKBytes(WorkingSetKBytes* ws_usage) const {

76 // TODO(bapt): be sure we can't be precise

77 size_t priv = GetWorkingSetSize();

78 if (!priv)

79 return false;

80 ws_usage->priv = priv / 1024;

81 ws_usage->shareable = 0;

82 ws_usage->shared = 0;

83

84 return true;

85 }

86

87 bool ProcessMetrics::GetIOCounters(IoCounters* io_counters) const {

88 return false;

89 }

90

91 static int GetProcessCPU(pid_t pid) {

92 struct kinfo_proc info;

93 size_t length;

94 int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, pid,

95 sizeof(struct kinfo_proc), 0 };

96

97 if (sysctl(mib, arraysize(mib), NULL, &length, NULL, 0) < 0)

98 return -1;

99

100 mib[5] = (length / sizeof(struct kinfo_proc));

101

102 if (sysctl(mib, arraysize(mib), &info, &length, NULL, 0) < 0)

103 return 0;

104

105 return info.p_pctcpu;

106 }

107

108 double ProcessMetrics::GetCPUUsage() {

109 TimeTicks time = TimeTicks::Now();

110

111 if (last_cpu_ == 0) {

112 // First call, just set the last values.

113 last_cpu_time_ = time;

114 last_cpu_ = GetProcessCPU(process_);

115 return 0;

116 }

117

118 int64 time_delta = (time - last_cpu_time_).InMicroseconds();

119 DCHECK_NE(time_delta, 0);

120

121 if (time_delta == 0)

122 return 0;

123

124 int cpu = GetProcessCPU(process_);

125

126 last_cpu_time_ = time;

127 last_cpu_ = cpu;

128

129 double percentage = static_cast<double>((cpu * 100.0) / FSCALE);

130

131 return percentage;

132 }

133

134 ProcessMetrics::ProcessMetrics(ProcessHandle process)

135 : process_(process),

136 last_system_time_(0),

137 last_cpu_(0) {

138

139 processor_count_ = base::SysInfo::NumberOfProcessors();

140 }

141

142 size_t GetSystemCommitCharge() {

143 int mib[] = { CTL_VM, VM_METER };

144 int pagesize;

145 struct vmtotal vmtotal;

146 unsigned long mem_total, mem_free, mem_inactive;

147 size_t len = sizeof(vmtotal);

148

149 if (sysctl(mib, arraysize(mib), &vmtotal, &len, NULL, 0) < 0)

150 return 0;

151

152 mem_total = vmtotal.t_vm;

153 mem_free = vmtotal.t_free;

154 mem_inactive = vmtotal.t_vm - vmtotal.t_avm;

155

156 pagesize = getpagesize();

157

158 return mem_total - (mem_freepagesize) - (mem_inactivepagesize);

159 }

160

161 } // namespace base

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