server: add tracing for graphql handling

server/src/nm.rs

@@ -9,6 +9,7 @@ use log::{error, info, warn};
 use mailparse::{parse_content_type, parse_mail, MailHeader, MailHeaderMap, ParsedMail};
 use memmap::MmapOptions;
 use notmuch::Notmuch;
+use tracing::instrument;
 
 use crate::{
     compute_offset_limit,
@@ -48,6 +49,7 @@ pub fn threadset_to_messages(thread_set: notmuch::ThreadSet) -> Result<Vec<Messa
     Ok(Vec::new())
 }
 
+#[instrument(name="nm::count", skip_all, fields(query=?query))]
 pub async fn count(nm: &Notmuch, query: &Query) -> Result<usize, ServerError> {
     if !is_notmuch_query(query) {
         return Ok(0);
@@ -56,6 +58,7 @@ pub async fn count(nm: &Notmuch, query: &Query) -> Result<usize, ServerError> {
     Ok(nm.count(&query)?)
 }
 
+#[instrument(name="nm::search", skip_all, fields(query=?query))]
 pub async fn search(
     nm: &Notmuch,
     after: Option<i32>,
@@ -99,6 +102,7 @@ pub async fn search(
         .collect())
 }
 
+#[instrument(name="nm::tags", skip_all, fields(needs_unread=needs_unread))]
 pub fn tags(nm: &Notmuch, needs_unread: bool) -> Result<Vec<Tag>, ServerError> {
     let now = Instant::now();
     let unread_msg_cnt: HashMap<String, usize> = if needs_unread {
@@ -140,6 +144,7 @@ pub fn tags(nm: &Notmuch, needs_unread: bool) -> Result<Vec<Tag>, ServerError> {
     Ok(tags)
 }
 
+#[instrument(name="nm::thread", skip_all, fields(thread_id=thread_id))]
 pub async fn thread(
     nm: &Notmuch,
     thread_id: String,
@@ -851,6 +856,7 @@ fn render_content_type_tree(m: &ParsedMail) -> String {
     )
 }
 
+#[instrument(name="nm::set_read_status", skip_all, fields(query=?query, unread=unread))]
 pub async fn set_read_status<'ctx>(
     nm: &Notmuch,
     query: &Query,