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https://github.com/aristocratos/btop.git
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vm stats from syscall + swap
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parent
776fc96852
commit
5f11aba504
@ -18,6 +18,11 @@ tab-size = 4
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#include <ifaddrs.h>
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#include <libproc.h>
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#include <mach/mach_host.h>
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#include <mach/mach_init.h>
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#include <mach/mach_types.h>
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#include <mach/processor_info.h>
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#include <mach/vm_statistics.h>
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#include <net/if.h>
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#include <netdb.h>
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#include <pwd.h>
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@ -236,34 +241,40 @@ namespace Mem {
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if (Runner::stopping or (no_update and not current_mem.percent.at("used").empty()))
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return current_mem;
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auto& show_swap = Config::getB("show_swap");
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auto &show_disks = Config::getB("show_disks");
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auto &swap_disk = Config::getB("swap_disk");
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auto &mem = current_mem;
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static const bool snapped = (getenv("BTOP_SNAPPED") != NULL);
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FILE *fpIn = popen("/usr/bin/vm_stat", "r");
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if (fpIn) {
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char buf[512];
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while (fgets(buf, sizeof(buf), fpIn) != NULL) {
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char *delim = ":\n.";
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char *tokens = strtok(buf, delim);
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while (tokens) {
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char *label = tokens;
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char *val = strtok(nullptr, delim);
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if (strstr(label, "Pages free")) {
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uint64_t f = stoull(trim(val));
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mem.stats.at("available") = f * 4096;
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mem.stats.at("free") = f * 4096;
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mem.stats.at("cached") = 1;
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mem.stats.at("used") = Shared::totalMem - (f * 4096);
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vm_statistics p;
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mach_msg_type_number_t info_size = HOST_VM_INFO_COUNT;
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if (host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&p, &info_size) == 0) {
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mem.stats.at("available") = p.free_count * Shared::pageSize;
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mem.stats.at("free") = p.free_count * Shared::pageSize;
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mem.stats.at("cached") = 100;
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mem.stats.at("used") = ((int64_t)p.active_count + (int64_t)p.inactive_count + (int64_t)p.wire_count) * (int64_t)Shared::pageSize;
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}
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tokens = strtok(nullptr, delim);
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int mib[2] = {CTL_VM, VM_SWAPUSAGE};
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struct xsw_usage swap;
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size_t len = sizeof(struct xsw_usage);
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if (sysctl(mib, 2, &swap, &len, NULL, 0) == 0) {
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mem.stats.at("swap_total") = swap.xsu_total;
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mem.stats.at("swap_free") = swap.xsu_avail;
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mem.stats.at("swap_used") = swap.xsu_used;
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}
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if (show_swap and mem.stats.at("swap_total") > 0) {
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for (const auto& name : swap_names) {
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mem.percent.at(name).push_back(round((double)mem.stats.at(name) * 100 / mem.stats.at("swap_total")));
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while (cmp_greater(mem.percent.at(name).size(), width * 2)) mem.percent.at(name).pop_front();
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}
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pclose(fpIn);
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} else {
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Logger::error("failed to read vm_stat");
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has_swap = true;
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}
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else
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has_swap = false;
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//? Calculate percentages
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for (const auto &name : mem_names) {
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mem.percent.at(name).push_back(round((double)mem.stats.at(name) * 100 / Shared::totalMem));
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