get some logging going

src/db/lmdb.zig

@@ -35,7 +35,7 @@ pub fn init(allocator: Allocator) !void {
 pub fn stats() void {
     var mdbStat: c.MDB_stat = undefined;
     _ = c.mdb_env_stat(env, &mdbStat);
-    warn("lmdb cache {} entries\n", .{mdbStat.ms_entries});
+    util.log("lmdb cache {} entries\n", .{mdbStat.ms_entries});
 }
 
 pub fn write(namespace: []const u8, key: []const u8, value: []const u8, allocator: Allocator) !void {

src/main.zig

@@ -39,6 +39,7 @@ pub fn main() !void {
         _ = thread.create("gui", gui.go, dummy_payload, guiback) catch unreachable;
         _ = thread.create("heartbeat", heartbeat.go, dummy_payload, heartback) catch unreachable;
         while (true) {
+            util.log("while", .{});
             statewalk(alloc);
             util.log("thread.wait()/epoll", .{});
             thread.wait(); // main ipc listener

src/util.zig

@@ -33,11 +33,7 @@ pub fn log(comptime msg: []const u8, args: anytype) void {
     var tz = std.posix.timezone{ .tz_minuteswest = 0, .tz_dsttime = 0 };
     std.posix.gettimeofday(null, &tz); // does not set tz
     const time_str = "Z"; //std.fmt.allocPrint(alloc, "{d}-{d:0>2}-{d:0>2} {d:0>2}:{d:0>2}:{d:0>2}", .{ yday.year, mday.month.numeric(), mday.day_index + 1, dsec.getHoursIntoDay(), dsec.getMinutesIntoHour(), dsec.getSecondsIntoMinute() }) catch unreachable;
-    _ = time_str;
-    _ = tid_name;
-    _ = msg;
-    _ = args;
-    //std.debug.print("{s}[tid#{d}/{s:9}] " ++ msg ++ "\n", .{ time_str, tid, tid_name } ++ args);
+    std.debug.print("{s}[tid#{d}/{s:9}] " ++ msg ++ "\n", .{ time_str, tid, tid_name } ++ args);
 }
 
 pub fn hashIdSame(comptime T: type, a: T, b: T) bool {