Add telemetry for status / bio formatting (#32677)

app/helpers/formatting_helper.rb

@@ -27,8 +27,15 @@ module FormattingHelper
   module_function :extract_status_plain_text
 
   def status_content_format(status)
+    MastodonOTELTracer.in_span('HtmlAwareFormatter rendering') do |span|
+      span.add_attributes(
+        'app.formatter.content.type' => 'status',
+        'app.formatter.content.origin' => status.local? ? 'local' : 'remote'
+      )
+
       html_aware_format(status.text, status.local?, preloaded_accounts: [status.account] + (status.respond_to?(:active_mentions) ? status.active_mentions.map(&:account) : []))
     end
+  end
 
   def rss_status_content_format(status)
     prerender_custom_emojis(
@@ -39,8 +46,15 @@ module FormattingHelper
   end
 
   def account_bio_format(account)
+    MastodonOTELTracer.in_span('HtmlAwareFormatter rendering') do |span|
+      span.add_attributes(
+        'app.formatter.content.type' => 'account_bio',
+        'app.formatter.content.origin' => account.local? ? 'local' : 'remote'
+      )
+
       html_aware_format(account.note, account.local?)
     end
+  end
 
   def account_field_value_format(field, with_rel_me: true)
     if field.verified? && !field.account.local?

app/lib/text_formatter.rb

@@ -33,6 +33,8 @@ class TextFormatter
   def to_s
     return ''.html_safe if text.blank?
 
+    html = nil
+    MastodonOTELTracer.in_span('TextFormatter#to_s extract_and_rewrite') do
       html = rewrite do |entity|
         if entity[:url]
           link_to_url(entity)
@@ -42,8 +44,13 @@ class TextFormatter
           link_to_mention(entity)
         end
       end
+    end
 
-    html = simple_format(html, {}, sanitize: false).delete("\n") if multiline?
+    if multiline?
+      MastodonOTELTracer.in_span('TextFormatter#to_s simple_format') do
+        html = simple_format(html, {}, sanitize: false).delete("\n")
+      end
+    end
 
     html.html_safe # rubocop:disable Rails/OutputSafety
   end
@@ -93,10 +100,13 @@ class TextFormatter
   end
 
   def link_to_url(entity)
+    MastodonOTELTracer.in_span('TextFormatter#link_to_url') do
       TextFormatter.shortened_link(entity[:url], rel_me: with_rel_me?)
     end
+  end
 
   def link_to_hashtag(entity)
+    MastodonOTELTracer.in_span('TextFormatter#link_to_hashtag') do
       hashtag = entity[:hashtag]
       url     = tag_url(hashtag)
 
@@ -104,8 +114,10 @@ class TextFormatter
         <a href="#{h(url)}" class="mention hashtag" rel="tag">#<span>#{h(hashtag)}</span></a>
       HTML
     end
+  end
 
   def link_to_mention(entity)
+    MastodonOTELTracer.in_span('TextFormatter#link_to_mention') do
       username, domain = entity[:screen_name].split('@')
       domain           = nil if local_domain?(domain)
       account          = nil
@@ -136,6 +148,7 @@ class TextFormatter
         <span class="h-card" translate="no"><a href="#{h(url)}" class="u-url mention">@<span>#{h(display_username)}</span></a></span>
       HTML
     end
+  end
 
   def entity_cache
     @entity_cache ||= EntityCache.instance