Improve readability of debug memory command output

Group memory usage digits with commas to make it easier to
read those numbers.
This commit is contained in:
Maxime Coste 2022-07-18 17:39:19 +10:00
parent c7fbf1f390
commit 9ebd0cd9c1

View File

@ -1496,7 +1496,7 @@ const CommandDesc debug_cmd = {
{
auto total = 0;
write_to_debug_buffer("Memory usage:");
const ColumnCount column_size = 13;
const ColumnCount column_size = 17;
write_to_debug_buffer(format("{} │{} │{} │{} ",
left_pad("domain", column_size),
left_pad("bytes", column_size),
@ -1504,22 +1504,36 @@ const CommandDesc debug_cmd = {
left_pad("total allocs", column_size)));
write_to_debug_buffer(format("{0}┼{0}┼{0}┼{0}", String(Codepoint{0x2500}, column_size + 1)));
auto group = [](StringView s) {
String res;
auto pos = 0_byte, len = s.length();
if ((pos = len % 3) != 0)
res += s.substr(0, pos);
for (; pos != len; pos += 3)
{
if (not res.empty())
res += ",";
res += s.substr(pos, 3);
}
return res;
};
for (int domain = 0; domain < (int)MemoryDomain::Count; ++domain)
{
auto& stats = memory_stats[domain];
total += stats.allocated_bytes;
write_to_debug_buffer(format("{} │{} │{} │{} ",
left_pad(domain_name((MemoryDomain)domain), column_size),
left_pad(to_string(stats.allocated_bytes), column_size),
left_pad(to_string(stats.allocation_count), column_size),
left_pad(to_string(stats.total_allocation_count), column_size)));
left_pad(group(to_string(stats.allocated_bytes)), column_size),
left_pad(group(to_string(stats.allocation_count)), column_size),
left_pad(group(to_string(stats.total_allocation_count)), column_size)));
}
write_to_debug_buffer({});
write_to_debug_buffer(format(" Total: {}", total));
write_to_debug_buffer(format(" Total: {}", group(to_string(total))));
#if defined(__GLIBC__) && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 33))
write_to_debug_buffer(format(" Malloced: {}", mallinfo2().uordblks));
write_to_debug_buffer(format(" Malloced: {}", group(to_string(mallinfo2().uordblks))));
#elif defined(__GLIBC__) || defined(__CYGWIN__)
write_to_debug_buffer(format(" Malloced: {}", mallinfo().uordblks));
write_to_debug_buffer(format(" Malloced: {}", group(to_string(mallinfo().uordblks))));
#endif
}
else if (parser[0] == "shared-strings")