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disk IO working

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This commit is contained in:
Jos Dehaes 2022-01-11 23:17:07 +01:00
parent 30b33730b3
commit 3b6dac640e
1 changed files with 10 additions and 10 deletions
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20
src/freebsd/btop_collect.cpp
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@ -482,22 +482,25 @@ namespace Mem {
return Shared::totalMem;
}
void assign_values(auto& disk, int64_t readBytes, int64_t writeBytes) {
if (disk.io_read.empty())
void assign_values(struct disk_info& disk, int64_t readBytes, int64_t writeBytes) {
disk_ios++;
if (disk.io_read.empty()) {
disk.io_read.push_back(0);
else
} else {
disk.io_read.push_back(max((int64_t)0, (readBytes - disk.old_io.at(0))));
}
disk.old_io.at(0) = readBytes;
while (cmp_greater(disk.io_read.size(), width * 2)) disk.io_read.pop_front();
if (disk.io_write.empty())
if (disk.io_write.empty()) {
disk.io_write.push_back(0);
else
} else {
disk.io_write.push_back(max((int64_t)0, (writeBytes - disk.old_io.at(1))));
}
disk.old_io.at(1) = writeBytes;
while (cmp_greater(disk.io_write.size(), width * 2)) disk.io_write.pop_front();
// no io times
// no io times - need to push something anyway or we'll get an ABORT
if (disk.io_activity.empty())
disk.io_activity.push_back(0);
else
@ -558,8 +561,7 @@ namespace Mem {
// this code is for ZFS mounts
for (string poolName : Mem::zpools) {
char sysCtl[1024];
snprintf(sysCtl, sizeof(sysCtl), "sysctl kstat.zfs.%s.dataset | grep dataset_name", poolName.c_str());
Logger::debug(poolName + string("->") + string(sysCtl));
snprintf(sysCtl, sizeof(sysCtl), "sysctl kstat.zfs.%s.dataset | egrep \'dataset_name|nread|nwritten\'", poolName.c_str());
PipeWrapper f = PipeWrapper(sysCtl, "r");
if (f()) {
char buf[512];
@ -569,7 +571,6 @@ namespace Mem {
if (fgets(buf, len, f())) {
char *name = std::strtok(buf, ": \n");
char *value = std::strtok(NULL, ": \n");
Logger::debug(name + string("=") + string(value));
if (string(name).find("dataset_name") != string::npos) {
// create entry if datasetname matches with anything in mapping
// relies on the fact that the dataset name is last value in the list
@ -582,7 +583,6 @@ namespace Mem {
assign_values(disk, nread, nwritten);
}
}
Logger::debug("created " + datasetname + " with (" + std::to_string(nread) + "," + std::to_string(nwritten) + ")");
} else if (string(name).find("nread") != string::npos) {
nread = atoll(value);
} else if (string(name).find("nwritten") != string::npos) {