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OrcaWinandm4air
d58ab9762c
top costs ~263 ms of CPU per sample, so the memory panel only refreshed footprints every 10 s. The new orca-process-footprint helper reads phys_footprint for every same-user process in ~3 ms, so footprints now refresh on the panel's 2 s poll. top stays as the fallback when the helper is missing or fails. Co-authored-by: m4air <m4air@Mac.localdomain>
24 lines
779 B
Swift
24 lines
779 B
Swift
import Darwin
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// Prints "<pid> <phys_footprint bytes>" for every process this user may inspect.
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func footprint(_ pid: pid_t) -> UInt64? {
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var info = rusage_info_v0()
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let rc = withUnsafeMutablePointer(to: &info) { pointer in
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pointer.withMemoryRebound(to: rusage_info_t?.self, capacity: 1) {
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proc_pid_rusage(pid, RUSAGE_INFO_V0, $0)
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}
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}
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return rc == 0 ? info.ri_phys_footprint : nil
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}
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let capacity = Int(proc_listallpids(nil, 0)) + 64
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var pids = [pid_t](repeating: 0, count: max(capacity, 64))
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let count = Int(proc_listallpids(&pids, Int32(pids.count * MemoryLayout<pid_t>.stride)))
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var output = ""
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for pid in pids.prefix(max(count, 0)) where pid > 0 {
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if let bytes = footprint(pid) {
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output += "\(pid) \(bytes)\n"
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}
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}
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print(output, terminator: "")
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